Recap of your meeting with Interlisp

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps Key Takeaways - Documentation organization and updates need attention; an issue will be created to address this - Several PRs were reviewed and approved, including fixes for system external format and T-edit improvements - Progress made on font metrics, HTML stream generation, and refactoring T-edit code - Discussion on reviving and modernizing the "Talk" collaborative editing feature Topics Documentation Organization - Current state of documentation is scattered across different repos and versions - Need to decide how to handle old (Medley 1.0, 2.0) vs. new (Medley 3.5) documentation - Proposal to create an issue for organizing documentation and soliciting ideas for improvement - Suggestion to document new changes in a single, easily findable location PR Reviews and Approvals - PR 2096 (Master Scope improvements) and 2089 (Get Funds fix) were approved - Discussion on system external format issues and potential fixes - Agreed to create a prominent guide for setting up EOL conventions when cloning the repo Font Metrics and HTML Stream Generation - Herb generated numerous font metrics files, considering how to package for easy installation - HTML stream generation progressing well, pending documentation and testing - Discussed potential for adding color support to T-edit in the future T-edit Refactoring and Improvements - Ron worked on refactoring T-edit code to improve structure and reduce potential for bugs - Implemented new actions for parentheses and quotes insertion - Discussed the need for approving PRs sequentially to avoid conflicts "Talk" Feature Revival - Examined old "Talk" collaborative editing feature code - Discussed challenges in modernizing the feature, including outdated TCP/IP implementations - Agreed to organize and compile the code, possibly documenting its intent for future reference Next Steps - Create an issue for documentation organization and improvement - Update contributor guidelines to include documentation requirements for PRs - Herb to push HTML stream generation code to his repo and send a note - Ron to organize and compile "Talk" feature code for further examination - Approve and merge discussed PRs (2096, 2089) - Create a guide for setting up EOL conventions when cloning the repo

Meeting with Interlisp Medley Interlisp Implementation weekly April 07, 2025  •  140 mins  •  View Meeting or Ask Fathom Action Items ✨ Document care name function in T edit release notes file Ron Kaplan Create GitHub issue re organizing documentation. Outline current state, solicit proposals to fix. Include decisions needed. Frank Halasz Add instructions to repo README/contrib guide re setting EOL convention in Git to LF when cloning repo on Mac/Windows Larry Masinter-lisp Push HTML stream implementation to personal GitHub repo, send note about it Herb Jellinek Retrieve talk-related files from obsolete dir, rename w/ hyphen convention, organize in talk subdir Ron Kaplan Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps Key Takeaways Documentation organization and updates need attention; an issue will be created to address this Several PRs were reviewed and approved, including fixes for system external format and T-edit improvements Progress made on font metrics, HTML stream generation, and refactoring T-edit code Discussion on reviving and modernizing the "Talk" collaborative editing feature Topics Documentation Organization Current state of documentation is scattered across different repos and versions Need to decide how to handle old (Medley 1.0, 2.0) vs. new (Medley 3.5) documentation Proposal to create an issue for organizing documentation and soliciting ideas for improvement Suggestion to document new changes in a single, easily findable location PR Reviews and Approvals PR 2096 (Master Scope improvements) and 2089 (Get Funds fix) were approved Discussion on system external format issues and potential fixes Agreed to create a prominent guide for setting up EOL conventions when cloning the repo Font Metrics and HTML Stream Generation Herb generated numerous font metrics files, considering how to package for easy installation HTML stream generation progressing well, pending documentation and testing Discussed potential for adding color support to T-edit in the future T-edit Refactoring and Improvements Ron worked on refactoring T-edit code to improve structure and reduce potential for bugs Implemented new actions for parentheses and quotes insertion Discussed the need for approving PRs sequentially to avoid conflicts "Talk" Feature Revival Examined old "Talk" collaborative editing feature code Discussed challenges in modernizing the feature, including outdated TCP/IP implementations Agreed to organize and compile the code, possibly documenting its intent for future reference Next Steps Create an issue for documentation organization and improvement Update contributor guidelines to include documentation requirements for PRs Herb to push HTML stream generation code to his repo and send a note Ron to organize and compile "Talk" feature code for further examination Approve and merge discussed PRs (2096, 2089) Create a guide for setting up EOL conventions when cloning the repo View Meeting → Ask Fathom! Ask our AI Assistant for answers and insights. It's ChatGPT for your meetings! Try Ask Fathom → Never take notes again. Sign up for Free 🎁 Referral bonus: Sign up now and unlock a free month of Premium for you and Larry

[Fathom]

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates, technical issues, and ongoing development efforts. Key Takeaways - Bibliography management: Agreed to upload original documents to Internet Archive for permanent storage and linking - Font handling improvements discussed, including potential on-the-fly conversion of system fonts - Several technical issues raised around compilation, loading, and debugging that need further investigation - Progress made on AI-assisted search functionality for the Interlisp website Topics Bibliography Document Storage - Issue: How to handle documents not already on the web when adding to Zotero bibliography - Solution: Upload original documents to Internet Archive for permanent URL and storage - Action: Update bibliography intake guide to include this process - Benefit: Provides stable links while keeping documents publicly accessible Font Handling Improvements - Discussed potential for on-the-fly conversion of system fonts to Interlisp format - Challenges: Memory usage, processing time for large Unicode fonts - Possible approach: Cache converted fonts locally after first use - Next steps: Create list of common fonts to add through manual conversion process Technical Issues - Stephen reported problems with load function not printing expressions as expected - Herb encountered compilation issues related to cleanup options - Matt noted ongoing font-related errors in TEdit and DInfo - Action: Create GitHub issues to track and investigate these problems AI-Assisted Search Progress - Bill demonstrated prototype of Gemini AI integration for Interlisp.org search - Challenge: Securely handling API credentials for static site - Next steps: Explore proxy server approach to manage authentication Graph Library Package - Stephen's student nearing completion of ~35 function graph library - Written in combination of Interlisp and Common Lisp - Plan to submit to Interlisp Users repository after documentation Next Steps - Paolo to review and update glossary with recently discussed terminology - Create GitHub issue for bibliography page-per-item project - Investigate and document technical issues around load, compilation, and font errors - Continue development of AI-assisted search, focusing on secure credential handling - Submit completed graph library package to Interlisp Users repository

Meeting with Interlisp Medley Interlisp External weekly April 09, 2025  •  123 mins  •  View Meeting or Ask Fathom Action Items ✨ No action items detected in this meeting Meeting Summary ✨ Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates, technical issues, and ongoing development efforts. Key Takeaways Bibliography management: Agreed to upload original documents to Internet Archive for permanent storage and linking Font handling improvements discussed, including potential on-the-fly conversion of system fonts Several technical issues raised around compilation, loading, and debugging that need further investigation Progress made on AI-assisted search functionality for the Interlisp website Topics Bibliography Document Storage Issue: How to handle documents not already on the web when adding to Zotero bibliography Solution: Upload original documents to Internet Archive for permanent URL and storage Action: Update bibliography intake guide to include this process Benefit: Provides stable links while keeping documents publicly accessible Font Handling Improvements Discussed potential for on-the-fly conversion of system fonts to Interlisp format Challenges: Memory usage, processing time for large Unicode fonts Possible approach: Cache converted fonts locally after first use Next steps: Create list of common fonts to add through manual conversion process Technical Issues Stephen reported problems with load function not printing expressions as expected Herb encountered compilation issues related to cleanup options Matt noted ongoing font-related errors in TEdit and DInfo Action: Create GitHub issues to track and investigate these problems AI-Assisted Search Progress Bill demonstrated prototype of Gemini AI integration for Interlisp.org search Challenge: Securely handling API credentials for static site Next steps: Explore proxy server approach to manage authentication Graph Library Package Stephen's student nearing completion of ~35 function graph library Written in combination of Interlisp and Common Lisp Plan to submit to Interlisp Users repository after documentation Next Steps Paolo to review and update glossary with recently discussed terminology Create GitHub issue for bibliography page-per-item project Investigate and document technical issues around load, compilation, and font errors Continue development of AI-assisted search, focusing on secure credential handling Submit completed graph library package to Interlisp Users repository

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways - Font handling improvements progressing, with new BDF font generation capabilities - Ongoing work on window splitting and text selection behavior in TEdit - Need to improve documentation and decide on approach for bibliography page generation - Received CVs from potential grad student assistants to review Topics IntelliJ License Renewal - Subscription active until April 4, 2026 - Calendar reminder set for March 4, 2025 to renew free JetBrains licenses Load Up Issues - Larry experiencing problems with load up after running HC files - Frank working on improving load up process, hopes to finish in next few days Font Handling Improvements - Matt implemented BDF font generation from OTF/TTF fonts - Allows creation of new sizes/variants of existing fonts - Some concerns about potential copyright issues, but likely okay for raster fonts - Need to document process and consider adding warnings about memory usage TEdit Enhancements - Ron working on improving window splitting behavior - Considering changes to text selection protocol to match other editors - Simplified some formatting code by pre-computing character properties Bibliography Page Generation - Need to convert single large HTML page to individual pages per document - Challenges with Hugo static site generator - may need pre-processing step - Matt to investigate potential approaches, possibly writing custom tool Potential Student Assistants - Received CVs from computer science grad students - Need to review and match to potential projects Next Steps - Matt to retry font generation and document process/issues - Frank to finish load up improvements - Ron to continue work on TEdit enhancements - Matt to investigate bibliography page generation options - Larry and Herb to review student CVs and discuss potential projects - Consider adding warnings/documentation around font generation memory usage

Meeting with Interlisp Medley Interlisp Implementation weekly April 14, 2025  •  118 mins  •  View Meeting or Ask Fathom Action Items ✨ Finish implementation of load up changes to match documentation; prepare PR Frank Halasz Retry and document stack overflow issue when Adobe Reader locks PDF file; write up GitHub issue with details Matt Heffron Continue debugging split window display update issue; focus on paragraph overlap case Ron Kaplan Review CVs of potential computer science grad student assistants; discuss with Herb via Discord Larry Masinter-lisp Review CVs of potential computer science grad student assistants; discuss with Larry via Discord Herb Jellinek Investigate pre-processing approach for Hugo to generate individual bibliography pages; test locally Matt Heffron Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways Font handling improvements progressing, with new BDF font generation capabilities Ongoing work on window splitting and text selection behavior in TEdit Need to improve documentation and decide on approach for bibliography page generation Received CVs from potential grad student assistants to review Topics IntelliJ License Renewal Subscription active until April 4, 2026 Calendar reminder set for March 4, 2025 to renew free JetBrains licenses Load Up Issues Larry experiencing problems with load up after running HC files Frank working on improving load up process, hopes to finish in next few days Font Handling Improvements Matt implemented BDF font generation from OTF/TTF fonts Allows creation of new sizes/variants of existing fonts Some concerns about potential copyright issues, but likely okay for raster fonts Need to document process and consider adding warnings about memory usage TEdit Enhancements Ron working on improving window splitting behavior Considering changes to text selection protocol to match other editors Simplified some formatting code by pre-computing character properties Bibliography Page Generation Need to convert single large HTML page to individual pages per document Challenges with Hugo static site generator - may need pre-processing step Matt to investigate potential approaches, possibly writing custom tool Potential Student Assistants Received CVs from computer science grad students Need to review and match to potential projects Next Steps Matt to retry font generation and document process/issues Frank to finish load up improvements Ron to continue work on TEdit enhancements Matt to investigate bibliography page generation options Larry and Herb to review student CVs and discuss potential projects Consider adding warnings/documentation around font generation memory usage

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[Fathom]

Meeting Purpose Weekly external meeting to discuss Medley Interlisp project updates, developments, and related topics. Key Takeaways - New LinkedIn group created for Interlisp community engagement (60+ potential members identified) - Progress on bibliography work, including web page generation and metadata formatting - Ongoing development of color support and window pane coordination in Interlisp - Interesting discussion on historical programming language features (mixins, object systems) with guest Shardul Chiplunkar Topics LinkedIn Group and Community Engagement - Larry created an Interlisp LinkedIn group to connect with 60+ identified potential members - Discussed strategies for populating group info and inviting members - Considered automatic cross-posting from Mastodon to LinkedIn Bibliography and Documentation Work - Ellie continuing work on bibliographic intake guide, refining and adding content - Matt developing code to generate individual web pages for bibliography entries - Discussed including microformat metadata in pages for tools like Zotero - Herb considering creation of an Interlisp collection on archive.org for non-PARC materials Programming Language History and Features - Guest Shardul Chiplunkar discussed his research on mixins and syntax diagrams - Group shared insights on historical object systems (LOOPS, Flavors, CLOS) - Ron Kaplan offered to share materials on Lexical Functional Grammar tools Interlisp Development Updates - Larry identified issue with font preloading and HTML files in directories - Ron working on color support infrastructure and window pane coordination - Herb made progress on generating HTML from HC files Historical Software Preservation - Steve Kaisler working on loading and annotating historical systems (URISCO, STRADS) - Discussed challenges of running old systems and finding documentation Computer History Museums - Paolo planning visit to large computer museum in Biella, Italy - Group discussed various computer history museums and preservation efforts globally Next Steps - Larry to finish setting up LinkedIn group and consider cross-posting strategy - Ellie to complete bibliography guide updates by Friday for broader review next week - Matt to continue work on bibliography web page generation - Ron to further develop color support and window pane coordination - Herb to progress on HC file HTML output - Paolo to visit computer museum and share findings with the group

Meeting with Interlisp Medley Interlisp External weekly April 16, 2025  •  116 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting

Meeting Summary ✨ Meeting Purpose Weekly external meeting to discuss Medley Interlisp project updates, developments, and related topics. Key Takeaways New LinkedIn group created for Interlisp community engagement (60+ potential members identified) Progress on bibliography work, including web page generation and metadata formatting Ongoing development of color support and window pane coordination in Interlisp Interesting discussion on historical programming language features (mixins, object systems) with guest Shardul Chiplunkar Topics LinkedIn Group and Community Engagement Larry created an Interlisp LinkedIn group to connect with 60+ identified potential members Discussed strategies for populating group info and inviting members Considered automatic cross-posting from Mastodon to LinkedIn Bibliography and Documentation Work Ellie continuing work on bibliographic intake guide, refining and adding content Matt developing code to generate individual web pages for bibliography entries Discussed including microformat metadata in pages for tools like Zotero Herb considering creation of an Interlisp collection on archive.org for non-PARC materials Programming Language History and Features Guest Shardul Chiplunkar discussed his research on mixins and syntax diagrams Group shared insights on historical object systems (LOOPS, Flavors, CLOS) Ron Kaplan offered to share materials on Lexical Functional Grammar tools Interlisp Development Updates Larry identified issue with font preloading and HTML files in directories Ron working on color support infrastructure and window pane coordination Herb made progress on generating HTML from HC files Historical Software Preservation Steve Kaisler working on loading and annotating historical systems (URISCO, STRADS) Discussed challenges of running old systems and finding documentation Computer History Museums Paolo planning visit to large computer museum in Biella, Italy Group discussed various computer history museums and preservation efforts globally Next Steps Larry to finish setting up LinkedIn group and consider cross-posting strategy Ellie to complete bibliography guide updates by Friday for broader review next week Matt to continue work on bibliography web page generation Ron to further develop color support and window pane coordination Herb to progress on HC file HTML output Paolo to visit computer museum and share findings with the group View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways - Several PRs and issues discussed, including font handling improvements and UI library development - Ongoing challenges with student recruitment for internships/research assistants - Progress made on screen updating and window management, but some complex issues remain - Need for further investigation into CLOS browser errors and compatibility Topics PR and Issue Updates - PR #2111 approved but needs revision to address list users package and care names functionality - PR #2108 approved, addressing encoding of -1 as replacement for slug in fonts - Issue #2109 identified, related to zero-width characters and bitmaps in fonts - PR #2112 discussed, regarding handling of nil in 'where is' function Font Handling Improvements - Matt working on fixing issues with PDF generation from TTF files on Mac - Discussed potential changes to strike file format to better handle zero-width glyphs - Considerations for PostScript output and embedding fonts for non-standard characters UI Library Development (Paolo) - Presented "Dandagui" library for simplifying text and graphics output in Medley - Demonstrated creation of windows, text streams, and basic output functionality - Plans to add rich text support, graphics capabilities, and managed windows Screen Updating and Window Management (Ron) - Resolved issues with split windows and screen updating optimization - Improved window deactivation and closing behavior - Investigating complexities of maintaining text stream and window relationships - Considering changes to external format handling and character code mappings Student Recruitment - Interviewed two graduate student candidates from University of Alberta - Challenges in finding candidates with Lisp knowledge or broad programming language experience - Considering expanding search to computer engineering department CLOS Browser Issues - User-visible error in CLOS browser when package name is missing - Difficulty in diagnosing issue due to complexity of CLOS implementation - Potential discrepancy between versions of CLOS files in the system Next Steps - Ron to update PR #2111 with changes and close the issue - Matt to continue work on font handling issues, particularly zero-width characters - Herb to follow up on student recruitment, potentially expanding search criteria - Further investigation needed for CLOS browser errors and version compatibility - Consider creating separate, more user-friendly functions for 'where is' functionality

Meeting with Interlisp Medley Interlisp Implementation weekly April 21, 2025  •  126 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways Several PRs and issues discussed, including font handling improvements and UI library development Ongoing challenges with student recruitment for internships/research assistants Progress made on screen updating and window management, but some complex issues remain Need for further investigation into CLOS browser errors and compatibility Topics PR and Issue Updates PR #2111 approved but needs revision to address list users package and care names functionality PR #2108 approved, addressing encoding of -1 as replacement for slug in fonts Issue #2109 identified, related to zero-width characters and bitmaps in fonts PR #2112 discussed, regarding handling of nil in 'where is' function Font Handling Improvements Matt working on fixing issues with PDF generation from TTF files on Mac Discussed potential changes to strike file format to better handle zero-width glyphs Considerations for PostScript output and embedding fonts for non-standard characters UI Library Development (Paolo) Presented "Dandagui" library for simplifying text and graphics output in Medley Demonstrated creation of windows, text streams, and basic output functionality Plans to add rich text support, graphics capabilities, and managed windows Screen Updating and Window Management (Ron) Resolved issues with split windows and screen updating optimization Improved window deactivation and closing behavior Investigating complexities of maintaining text stream and window relationships Considering changes to external format handling and character code mappings Student Recruitment Interviewed two graduate student candidates from University of Alberta Challenges in finding candidates with Lisp knowledge or broad programming language experience Considering expanding search to computer engineering department CLOS Browser Issues User-visible error in CLOS browser when package name is missing Difficulty in diagnosing issue due to complexity of CLOS implementation Potential discrepancy between versions of CLOS files in the system Next Steps Ron to update PR #2111 with changes and close the issue Matt to continue work on font handling issues, particularly zero-width characters Herb to follow up on student recruitment, potentially expanding search criteria Further investigation needed for CLOS browser errors and version compatibility Consider creating separate, more user-friendly functions for 'where is' functionality View Meeting →

[Fathom]

Meeting Purpose Weekly external meeting to discuss progress and updates on the Interlisp project. Key Takeaways - Abhik is finishing the Interlisp primer, with only two chapters left - The team is working on improving bibliography management and intake processes - There are ongoing efforts to refine font handling and character encoding in Interlisp - The group discussed potential collaboration with the new Computer History Museum CEO Topics Interlisp Primer Progress - Abhik is close to completing the primer, with only two introductory chapters left - The primer is being published on GitBook for easy access and collaboration - Eleanor has been reviewing and testing the new primer content Bibliography Management - Eleanor is developing a Google Form for easier bibliography entry submission - The team discussed how to handle collections and metadata for bibliography entries in Zotero - There are ongoing efforts to improve the presentation of the bibliography on the website Font Handling and Character Encoding - Matt is working on improving BDF font reading and conversion - The team discussed challenges with character encoding, including XCCS vs. Medley encoding - Ron is refining T-edit to handle color support and improve text stream handling Computer History Museum Collaboration - The new CEO of the Computer History Museum has a background in NASA and lunar systems - The team is considering reaching out to explore potential collaboration opportunities - There was discussion about simulating historical networks like ARPANET using modern hardware Historical Documents - Paolo found interesting historical reports about Interlisp development in a military database - These reports provide valuable insights into the project's history and development milestones Next Steps - Continue refining the Interlisp primer and gather feedback - Implement improvements to bibliography management and intake processes - Address font handling and character encoding issues in the codebase - Explore potential collaboration with the Computer History Museum - Review and potentially incorporate historical information from newly discovered documents

Meeting with Interlisp Medley Interlisp External weekly April 23, 2025  •  121 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly external meeting to discuss progress and updates on the Interlisp project. Key Takeaways Abhik is finishing the Interlisp primer, with only two chapters left The team is working on improving bibliography management and intake processes There are ongoing efforts to refine font handling and character encoding in Interlisp The group discussed potential collaboration with the new Computer History Museum CEO Topics Interlisp Primer Progress Abhik is close to completing the primer, with only two introductory chapters left The primer is being published on GitBook for easy access and collaboration Eleanor has been reviewing and testing the new primer content Bibliography Management Eleanor is developing a Google Form for easier bibliography entry submission The team discussed how to handle collections and metadata for bibliography entries in Zotero There are ongoing efforts to improve the presentation of the bibliography on the website Font Handling and Character Encoding Matt is working on improving BDF font reading and conversion The team discussed challenges with character encoding, including XCCS vs. Medley encoding Ron is refining T-edit to handle color support and improve text stream handling Computer History Museum Collaboration The new CEO of the Computer History Museum has a background in NASA and lunar systems The team is considering reaching out to explore potential collaboration opportunities There was discussion about simulating historical networks like ARPANET using modern hardware Historical Documents Paolo found interesting historical reports about Interlisp development in a military database These reports provide valuable insights into the project's history and development milestones Next Steps Continue refining the Interlisp primer and gather feedback Implement improvements to bibliography management and intake processes Address font handling and character encoding issues in the codebase Explore potential collaboration with the Computer History Museum Review and potentially incorporate historical information from newly discovered documents View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development, issues, and pull requests. Key Takeaways - Progress made on font handling, color support, and Unicode implementation - Several pull requests reviewed and merged, addressing various bugs and improvements - Ongoing challenges with Common Lisp loop macro compatibility and file package versioning Topics Font and Color Handling - Matt is close to adding color support back into PostScript stream - Discovered issues with RGB vs. grayscale color handling in PostScript-to-PDF conversion - Discussed potential improvements for BDF font handling and PostScript file embedding - Herb is nearing release of HTML stream implementation Unicode and Character Encoding - Ron implemented MCCS (Modified Character Code Standard) up to, but not including, moving glyphs in terminal and XCCS fonts - Discussed challenges with underscore and caret character handling in MCCS - Ongoing work to ensure consistent behavior across different font families and encoding schemes Common Lisp Compatibility - Identified issues with CL loop macro compatibility in some files - Discussed potential causes, including changes in loop macro implementation and compiler differences - Action item to investigate and resolve loop macro compatibility issues Pull Request Reviews - Reviewed and approved several PRs, including improvements to pointless encoding handling and edit callers functionality - Discussed ongoing work on PR #2119, addressing window closing and pane management issues - Approved PR for improved color name and RGB triple handling Development Environment - Frank implemented a fix for LDE path issues, improving consistency in development environments - Discussed challenges with Git functions and symbolic link handling Next Steps - Ron to investigate and resolve remaining issues with PR #2119 before merging - Matt to continue work on color support in PostScript stream - Investigate and resolve Common Lisp loop macro compatibility issues - Review and potentially revert changes to edit callers function that may have introduced unintended behavior - Continue testing and refinement of font handling and Unicode support

Meeting with Interlisp Medley Interlisp Implementation weekly April 28, 2025  •  123 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development, issues, and pull requests. Key Takeaways Progress made on font handling, color support, and Unicode implementation Several pull requests reviewed and merged, addressing various bugs and improvements Ongoing challenges with Common Lisp loop macro compatibility and file package versioning Topics Font and Color Handling Matt is close to adding color support back into PostScript stream Discovered issues with RGB vs. grayscale color handling in PostScript-to-PDF conversion Discussed potential improvements for BDF font handling and PostScript file embedding Herb is nearing release of HTML stream implementation Unicode and Character Encoding Ron implemented MCCS (Modified Character Code Standard) up to, but not including, moving glyphs in terminal and XCCS fonts Discussed challenges with underscore and caret character handling in MCCS Ongoing work to ensure consistent behavior across different font families and encoding schemes Common Lisp Compatibility Identified issues with CL loop macro compatibility in some files Discussed potential causes, including changes in loop macro implementation and compiler differences Action item to investigate and resolve loop macro compatibility issues Pull Request Reviews Reviewed and approved several PRs, including improvements to pointless encoding handling and edit callers functionality Discussed ongoing work on PR #2119, addressing window closing and pane management issues Approved PR for improved color name and RGB triple handling Development Environment Frank implemented a fix for LDE path issues, improving consistency in development environments Discussed challenges with Git functions and symbolic link handling Next Steps Ron to investigate and resolve remaining issues with PR #2119 before merging Matt to continue work on color support in PostScript stream Investigate and resolve Common Lisp loop macro compatibility issues Review and potentially revert changes to edit callers function that may have introduced unintended behavior Continue testing and refinement of font handling and Unicode support View Meeting →

[Fathom]

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates and technical topics Key Takeaways - Eleanor is working on bibliography style guidelines and namespace consistency for the Interlisp project - The team discussed font handling improvements and new font options being added to Medley - There were updates on social media presence, particularly regarding the Faustodon Mastodon instance - Paolo shared new functions added to his Dandy Guy library for working with T-Edit windows Topics Bibliography Style and Namespace Consistency - Eleanor is researching bibliography style guidelines for computer science/Interlisp project - Challenges with divergent author names and information fields across sources - Considering using document-specific naming vs. normalized names - Potential to write a paper on bibliographic control issues for digital humanities Gitbook and New Primer Draft - Some users experiencing login/stability issues with Gitbook - Draft primer content needs refinement, especially on technical details - Team discussing best approach for reviewing and improving the primer Faustodon/Mastodon Update - Faustodon (Mastodon instance) undergoing administrative changes - Team deciding to maintain Interlisp account on Faustodon for now - Discussing potential for cross-posting to other platforms to increase reach Font Handling Improvements - Matt documented process for generating display font files from TTF - New font options being added, including Source Code Pro - Challenges with font conversion, printing, and maintaining consistency across systems - Team considering focusing on one font to establish full workflow before expanding T-Edit Window Functions - Paolo added new functions to Dandy Guy library for clearing windows and printing messages - Discussion on appropriate level of abstraction vs. direct API usage Next Steps - Eleanor to draft initial style guidelines for bibliography for team review - Continue refining primer draft, focusing on accuracy and appropriate level of detail - Matt to identify a single font to establish full workflow from display to printing - Team to consider strategy for introducing new fonts while maintaining backwards compatibility

Meeting with Interlisp Medley Interlisp External weekly April 30, 2025  •  132 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates and technical topics Key Takeaways Eleanor is working on bibliography style guidelines and namespace consistency for the Interlisp project The team discussed font handling improvements and new font options being added to Medley There were updates on social media presence, particularly regarding the Faustodon Mastodon instance Paolo shared new functions added to his Dandy Guy library for working with T-Edit windows Topics Bibliography Style and Namespace Consistency Eleanor is researching bibliography style guidelines for computer science/Interlisp project Challenges with divergent author names and information fields across sources Considering using document-specific naming vs. normalized names Potential to write a paper on bibliographic control issues for digital humanities Gitbook and New Primer Draft Some users experiencing login/stability issues with Gitbook Draft primer content needs refinement, especially on technical details Team discussing best approach for reviewing and improving the primer Faustodon/Mastodon Update Faustodon (Mastodon instance) undergoing administrative changes Team deciding to maintain Interlisp account on Faustodon for now Discussing potential for cross-posting to other platforms to increase reach Font Handling Improvements Matt documented process for generating display font files from TTF New font options being added, including Source Code Pro Challenges with font conversion, printing, and maintaining consistency across systems Team considering focusing on one font to establish full workflow before expanding T-Edit Window Functions Paolo added new functions to Dandy Guy library for clearing windows and printing messages Discussion on appropriate level of abstraction vs. direct API usage Next Steps Eleanor to draft initial style guidelines for bibliography for team review Continue refining primer draft, focusing on accuracy and appropriate level of detail Matt to identify a single font to establish full workflow from display to printing Team to consider strategy for introducing new fonts while maintaining backwards compatibility View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development issues and progress. Key Takeaways - Font handling and display issues remain a significant challenge, particularly for high-resolution displays and DINFO windows - JSON parsing and string handling need refinement, especially for pasting large JSON strings - Storage analysis tools like SPY could be improved to track memory allocation - Mouse process handling in certain UI interactions (e.g. editor invocation) needs improvement for better user experience Topics Font Handling and Display Issues - Discussion on improving font display for high-resolution screens, particularly for DINFO windows - Proposal to create new "Medley fonts" that are easier to manipulate and extend - Consideration of using function keys for special characters (e.g. underscore, caret) in MCCS encoding - Need to ensure consistent handling of character encodings across different contexts (e.g. shell commands, file I/O) JSON Parsing and String Handling - Challenges with pasting large JSON strings containing quotes into the Lisp environment - Suggestion to use file input or custom test functions to avoid clipboard/pasting issues - Potential improvements to JSON library to handle file/stream input directly Storage Analysis and Performance Tools - Interest in developing SPY-like tool for analyzing storage consumption - Discussion on potential methods to track memory allocation, possibly by modifying SPY or using breakdown system - Note that breakdown system currently has issues and needs investigation Mouse Process and UI Interaction - Identified issue where editor invocation can lock up mouse input - Discussion on proper use of spawn-mouse and when it should be automatically applied - Agreement to create new issue ticket to track and address this problem Next Steps - Investigate and implement solution for scaling fonts in DINFO windows (Issue #116) - Explore improvements to JSON parsing library, particularly for file/stream input - Research breakdown system and potential improvements to storage analysis tools - Create issue ticket for mouse process locking during editor invocation - Larry to look into breakdown system notes from Medley release - Herb to open tickets for identified UI/UX issues - Consider reaching out to original Interlisp developers (e.g. Vannelli, Masinter) for insight on certain historical design decisions

Meeting with Interlisp Medley Interlisp Implementation weekly May 05, 2025  •  141 mins  •  View Meeting or Ask Fathom Action Items ✨ Experiment with using function keys for underscore/caret in MCCS; assess impact on existing functionality Larry Masinter-lisp Investigate BREAKDOWN system changes in Medley release notes for potential storage consumption tracking Larry Masinter-lisp Test HTMLStream alpha version sent by Herb; provide feedback Matt Heffron Test HTMLStream alpha version sent by Herb; provide feedback Ron Kaplan Open GitHub issue re BREAKDOWN function not working as expected Herb Jellinek Open GitHub issue re mouse getting stuck when Display Edit triggers BREAK Herb Jellinek Plan group lunch; cross-reference availabilities including Matt's 5/18-5/24 trip Herb Jellinek Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development issues and progress. Key Takeaways Font handling and display issues remain a significant challenge, particularly for high-resolution displays and DINFO windows JSON parsing and string handling need refinement, especially for pasting large JSON strings Storage analysis tools like SPY could be improved to track memory allocation Mouse process handling in certain UI interactions (e.g. editor invocation) needs improvement for better user experience Topics Font Handling and Display Issues Discussion on improving font display for high-resolution screens, particularly for DINFO windows Proposal to create new "Medley fonts" that are easier to manipulate and extend Consideration of using function keys for special characters (e.g. underscore, caret) in MCCS encoding Need to ensure consistent handling of character encodings across different contexts (e.g. shell commands, file I/O) JSON Parsing and String Handling Challenges with pasting large JSON strings containing quotes into the Lisp environment Suggestion to use file input or custom test functions to avoid clipboard/pasting issues Potential improvements to JSON library to handle file/stream input directly Storage Analysis and Performance Tools Interest in developing SPY-like tool for analyzing storage consumption Discussion on potential methods to track memory allocation, possibly by modifying SPY or using breakdown system Note that breakdown system currently has issues and needs investigation Mouse Process and UI Interaction Identified issue where editor invocation can lock up mouse input Discussion on proper use of spawn-mouse and when it should be automatically applied Agreement to create new issue ticket to track and address this problem Next Steps Investigate and implement solution for scaling fonts in DINFO windows (Issue #116) Explore improvements to JSON parsing library, particularly for file/stream input Research breakdown system and potential improvements to storage analysis tools Create issue ticket for mouse process locking during editor invocation Larry to look into breakdown system notes from Medley release Herb to open tickets for identified UI/UX issues Consider reaching out to original Interlisp developers (e.g. Vannelli, Masinter) for insight on certain historical design decisions

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[Fathom]

Meeting Purpose Weekly Medley Interlisp External meeting to discuss project updates, technical issues, and upcoming opportunities. Key Takeaways - Ellie's IEEE paper was accepted; revisions requested to add section on Alberta team's involvement - Steve is preparing a paper for HICSS conference on Interlisp history; deadline June 15th - Ron is working on font handling improvements to support high-resolution displays - Paolo experimented with new JSON parsing capabilities in Medley Topics Conference Papers and Presentations - Ellie's IEEE paper accepted for Canadian Computer Engineering Conference (May 26-29) - Minor revisions requested, including section on Alberta team's involvement - Hotel booked; flights still need scheduling - Steve preparing paper for HICSS conference on Interlisp history - Deadline June 15th, decision by August 1st - Focusing on programming languages topic - May add 1-2 more authors; currently at ~9.5 pages (10 page limit) - Opportunity to present Medley at Software Preservation Network event (May 14th) - 15-20 minute slot available - Ellie or Larry could potentially present Technical Updates - Ron working on font handling improvements: - Aiming to support high-resolution displays - Considering approach for handling multiple screen resolutions - Working on MCCS (Medley Character Code Standard) implementation - Paolo experimenting with JSON parsing in Medley: - Successfully used curl to call external API from Medley - Discussed potential improvements to JSON handling functions Documentation and Preservation - Discussed approach for documenting undocumented Lisp Users modules - Considering opening issues for individual modules needing documentation - May tag as "good first issues" for newcomers - Explored possibility of acquiring early 1970s Interlisp sources for BBN computers - Team interested in gathering historical artifacts if available Administrative - Larry working on tax filings for Interlisp organization - Discussed need to improve tracking and acknowledgment of donors Next Steps - Ellie to add section on Alberta team's involvement to IEEE paper - Steve to continue work on HICSS paper, potentially adding 1-2 more authors - Ron to continue work on font handling improvements and MCCS implementation - Team to consider approach for improving donor tracking and acknowledgment - Paolo to further explore JSON capabilities in Medley - Consider creating issues for documenting undocumented Lisp Users modules

Get your own FREE AI Meeting Assistant Meeting with Interlisp Medley Interlisp External weekly May 07, 2025  •  134 mins  •  View Meeting or Ask Fathom Action Items ✨ Write paragraph on Datum for HICSS paper Stephen Kaisler Contact Bill Yeager for more advice on HICSS paper submission requirements Paolo Amoroso Write paragraph on SpinPro for HICSS paper Matt Heffron Incorporate feedback from Ellie, Paolo, Nick into next HICSS paper draft Stephen Kaisler Add section to IEEE paper on Alberta team's involvement with Interlisp project Eleanor Young Create issue about improving tracking/acknowledgment of project donors Larry Masinter-lisp Test mouse middle-button issue with 3-button USB mouse Nick Briggs Extend JSON-GET to handle array indexing for integers in path Ron Kaplan Work on font issues - implement reading/writing of character set infos and fonts Ron Kaplan Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp External meeting to discuss project updates, technical issues, and upcoming opportunities. Key Takeaways Ellie's IEEE paper was accepted; revisions requested to add section on Alberta team's involvement Steve is preparing a paper for HICSS conference on Interlisp history; deadline June 15th Ron is working on font handling improvements to support high-resolution displays Paolo experimented with new JSON parsing capabilities in Medley Topics Conference Papers and Presentations Ellie's IEEE paper accepted for Canadian Computer Engineering Conference (May 26-29) Minor revisions requested, including section on Alberta team's involvement Hotel booked; flights still need scheduling Steve preparing paper for HICSS conference on Interlisp history Deadline June 15th, decision by August 1st Focusing on programming languages topic May add 1-2 more authors; currently at ~9.5 pages (10 page limit) Opportunity to present Medley at Software Preservation Network event (May 14th) 15-20 minute slot available Ellie or Larry could potentially present Technical Updates Ron working on font handling improvements: Aiming to support high-resolution displays Considering approach for handling multiple screen resolutions Working on MCCS (Medley Character Code Standard) implementation Paolo experimenting with JSON parsing in Medley: Successfully used curl to call external API from Medley Discussed potential improvements to JSON handling functions Documentation and Preservation Discussed approach for documenting undocumented Lisp Users modules Considering opening issues for individual modules needing documentation May tag as "good first issues" for newcomers Explored possibility of acquiring early 1970s Interlisp sources for BBN computers Team interested in gathering historical artifacts if available Administrative Larry working on tax filings for Interlisp organization Discussed need to improve tracking and acknowledgment of donors Next Steps Ellie to add section on Alberta team's involvement to IEEE paper Steve to continue work on HICSS paper, potentially adding 1-2 more authors Ron to continue work on font handling improvements and MCCS implementation Team to consider approach for improving donor tracking and acknowledgment Paolo to further explore JSON capabilities in Medley Consider creating issues for documenting undocumented Lisp Users modules

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues Key Takeaways - Font handling in Medley is complex with multiple layers of abstraction; efforts ongoing to simplify and standardize - Work continues on reconstructing and updating the Interlisp Reference Manual from existing T-Edit files - Several open PRs ready for review/merge, with focus on PR #2119 which has significant changes - Next meeting canceled due to planned lunch event; some members have conflicts Topics Font Handling Complexity - Multiple layers of abstraction: font profiles, font sets, font classes, font devices - Ron working on standardizing font format and offline font processing to simplify - Herb implementing HTML font output using substitution A-list for common font names - Discussion on balancing backward compatibility with simplification efforts Interlisp Reference Manual Reconstruction - Frank working on rebuilding from existing T-Edit files - Original .im source files missing, working with later T-Edit versions - Challenges with automated chapter numbering and table of contents generation - Goal to produce updated manual that can be printed without major errors Version Management and Debugging - Ron demonstrated tools for examining function changes across multiple versions - Tools allow granular comparison of function definitions, helpful for debugging - Discussion on limitations of Git for tracking Medley file changes due to internal file metadata Open Pull Requests - Several PRs ready for review, including JSON enhancements and cleanup efforts - Focus on PR #2119 which has significant changes but appears to not break builds - Larry encountered an error when merging all open PRs, needs further investigation Miscellaneous Updates - Paolo working on rich text output for Windows in Dandy Guy library - Nick looking into Mako file handling and investigating a new user issue on WSL-1 - Matt collaborating with Steve on paper-related work - Frank receiving volunteer award, will miss Wednesday meeting Next Steps - Review and merge non-controversial PRs (JSON, cleanup efforts) - Further testing of PR #2119 to ensure it doesn't break builds - Frank to update load-up scripts to move dribble files to main directory and add lock override option - Nick to make edits to shared paper version based on his previous feedback - Herb to follow up with John Cowan regarding his contributions to the paper

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Meeting with Interlisp Medley Interlisp Implementation weekly May 12, 2025  •  118 mins  •  View Meeting or Ask Fathom Action Items ✨ Investigate D-Info image object errors in Section 10.3 Function Evaluation Ron Kaplan Modify load-up script to move dribble files to load-ups directory Frank Halasz Add prompt to override lock file when running load-up script if lock file exists Frank Halasz Apply previously suggested edits to shared version of ACCS paper Nick Briggs Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues Key Takeaways Font handling in Medley is complex with multiple layers of abstraction; efforts ongoing to simplify and standardize Work continues on reconstructing and updating the Interlisp Reference Manual from existing T-Edit files Several open PRs ready for review/merge, with focus on PR #2119 which has significant changes Next meeting canceled due to planned lunch event; some members have conflicts Topics Font Handling Complexity Multiple layers of abstraction: font profiles, font sets, font classes, font devices Ron working on standardizing font format and offline font processing to simplify Herb implementing HTML font output using substitution A-list for common font names Discussion on balancing backward compatibility with simplification efforts Interlisp Reference Manual Reconstruction Frank working on rebuilding from existing T-Edit files Original .im source files missing, working with later T-Edit versions Challenges with automated chapter numbering and table of contents generation Goal to produce updated manual that can be printed without major errors Version Management and Debugging Ron demonstrated tools for examining function changes across multiple versions Tools allow granular comparison of function definitions, helpful for debugging Discussion on limitations of Git for tracking Medley file changes due to internal file metadata Open Pull Requests Several PRs ready for review, including JSON enhancements and cleanup efforts Focus on PR #2119 which has significant changes but appears to not break builds Larry encountered an error when merging all open PRs, needs further investigation Miscellaneous Updates Paolo working on rich text output for Windows in Dandy Guy library Nick looking into Mako file handling and investigating a new user issue on WSL-1 Matt collaborating with Steve on paper-related work Frank receiving volunteer award, will miss Wednesday meeting Next Steps Review and merge non-controversial PRs (JSON, cleanup efforts) Further testing of PR #2119 to ensure it doesn't break builds Frank to update load-up scripts to move dribble files to main directory and add lock override option Nick to make edits to shared paper version based on his previous feedback Herb to follow up with John Cowan regarding his contributions to the paper

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Meeting Purpose Weekly external meeting to discuss Interlisp project progress, challenges, and next steps Key Takeaways - Hicks paper draft expanded to 10 pages; comments incorporated from 4 reviewers - Font infrastructure improvements progressing; need user input on aesthetics/defaults - GitHub project tagging for issues needs renewed focus to aid organization - Ongoing work on URISCO, PostScript fonts, and resolving a load-up bug Topics Hicks Paper Progress - Draft expanded to 10 pages after incorporating comments from 4 reviewers - Ellie to create account on hicks.hawaii.edu for paper submission - Some discussion on collaborative editing challenges using Google Docs vs. other methods IEEE Conference Preparation - Ellie awaiting official feedback on History of Technology track paper (conference in 12 days) - Suggestion to prepare demo of networking capabilities (e.g. loops) for presentation - Potential to visit local computer history museum in Vancouver during conference New Interlisp Primer Review - Expanded scope now includes Lisp primer in addition to Medley-specific content - PDF version to be shared on Lisp Core for easier access/review Font Improvements - Infrastructure for converting to better fonts progressing - Need user input on aesthetics, defaults, and sample font sets - Goal: Improve readability of DINFO on high-res displays as priority GitHub Project Management - Reminder to set project field when submitting new issues - Larry to review untagged issues and assign projects Social Media Updates - Mastodon and BlueSky accounts growing steadily (about 400 followers combined) - These platforms allowing more user interaction than broadcast-only options - Suggestion to use social accounts to request user feedback on specific topics Bitsavers Uploads - Alksova continues uploading Xerox documents, including Smalltalk and printer documentation - Discussion on potential sources of additional Interlisp-specific historical documents Technical Issues and Development - Ron working on new font file format and integration - Herb encountering symbol issues when processing CLTL2 directory - Matt investigating embedding PostScript fonts in print streams - Larry debugging load-up issue related to HC files and T-Edit Next Steps - Ellie to create hicks.hawaii.edu account for paper submission - Review and provide feedback on new Interlisp primer - Users to provide input on font aesthetics and defaults - Renew focus on tagging GitHub issues with appropriate projects - Investigate and resolve load-up bug encountered during HC files processing - Continue development work on fonts, PostScript integration, and URISCO

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Meeting with Interlisp Medley Interlisp External weekly May 14, 2025  •  116 mins  •  View Meeting or Ask Fathom Action Items ✨ Create account on hicks.hawaii.edu for paper submission Eleanor Young Check out Vancouver computer history museum mentioned in email Eleanor Young Share PDF of new primer on Lisp Core Paolo Amoroso Review GitHub issues, set project field where missing Larry Masinter-lisp Post call on social media for font selection feedback/volunteers Paolo Amoroso Update website/docs to direct communication to Mastodon/Blue Sky instead of email Paolo Amoroso Review Matt's Hugo draft for website, provide feedback Bill Stumbo Investigate T-Edit failure in HC files process on merged open PRs branch Ron Kaplan Meeting Summary ✨ Meeting Purpose Weekly external meeting to discuss Interlisp project progress, challenges, and next steps Key Takeaways Hicks paper draft expanded to 10 pages; comments incorporated from 4 reviewers Font infrastructure improvements progressing; need user input on aesthetics/defaults GitHub project tagging for issues needs renewed focus to aid organization Ongoing work on URISCO, PostScript fonts, and resolving a load-up bug Topics Hicks Paper Progress Draft expanded to 10 pages after incorporating comments from 4 reviewers Ellie to create account on hicks.hawaii.edu for paper submission Some discussion on collaborative editing challenges using Google Docs vs. other methods IEEE Conference Preparation Ellie awaiting official feedback on History of Technology track paper (conference in 12 days) Suggestion to prepare demo of networking capabilities (e.g. loops) for presentation Potential to visit local computer history museum in Vancouver during conference New Interlisp Primer Review Expanded scope now includes Lisp primer in addition to Medley-specific content PDF version to be shared on Lisp Core for easier access/review Font Improvements Infrastructure for converting to better fonts progressing Need user input on aesthetics, defaults, and sample font sets Goal: Improve readability of DINFO on high-res displays as priority GitHub Project Management Reminder to set project field when submitting new issues Larry to review untagged issues and assign projects Social Media Updates Mastodon and BlueSky accounts growing steadily (about 400 followers combined) These platforms allowing more user interaction than broadcast-only options Suggestion to use social accounts to request user feedback on specific topics Bitsavers Uploads Alksova continues uploading Xerox documents, including Smalltalk and printer documentation Discussion on potential sources of additional Interlisp-specific historical documents Technical Issues and Development Ron working on new font file format and integration Herb encountering symbol issues when processing CLTL2 directory Matt investigating embedding PostScript fonts in print streams Larry debugging load-up issue related to HC files and T-Edit Next Steps Ellie to create hicks.hawaii.edu account for paper submission Review and provide feedback on new Interlisp primer Users to provide input on font aesthetics and defaults Renew focus on tagging GitHub issues with appropriate projects Investigate and resolve load-up bug encountered during HC files processing Continue development work on fonts, PostScript integration, and URISCO

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Meeting Purpose Weekly external meeting to discuss Medley Interlisp project progress and updates Key Takeaways - Paper on Interlisp history nearing completion; final review and edits underway before June submission - Ongoing work to improve bibliography presentation on website and enable better searchability - Exploring options for making older Medley versions accessible online (e.g. DOS emulation) - Careful review needed of Envos archive materials before broader sharing due to privacy concerns Topics Paper on Interlisp History - Stephen and Eleanor finalizing 10-page double-column paper for June submission - Larry Masinter to be added as co-author for additional gravitas - One more round of group review planned before submission in ~24 days Medley Primer Development - Abhik working on next chapter after addressing recent comments - Discussion on appropriate length - aiming for concise 30-40 pages vs. original 123 pages - Considering brief Lisp intro and focusing on core "getting started" content Bibliography and Website Improvements - Bill and Matt exploring options to create individual pages for bibliography entries - Goals: Improve search engine optimization and enable better filtering/sorting - Considering using Hugo taxonomies or custom page types - Need to balance detail with efficient presentation and linking to source documents Envos Archive Materials - Paolo exploring materials; found valuable historical info on Medley/Interlisp development - Caution needed regarding personal/private information before broader sharing - Herb to assist with careful review process and potential use of archival tools Online Access to Older Medley Versions - Discussing options like Docker containers or JavaScript emulators (e.g. PCJS) - Concerns about performance of browser-based emulation - Need to clearly indicate these are for historical reference, not active development Miscellaneous Updates - LinkedIn group growing (21 members) - Paolo to add logo/branding - Ron continuing work on font handling improvements - Stephen making progress debugging/updating Urisko system Next Steps - Larry to send out latest paper draft for final group review - Bill to put bibliography sample page on staging site for feedback - Herb to investigate tools/best practices for reviewing archive materials - Paolo to add branding to LinkedIn group - Continue individual work on assigned tasks (primer, bibliography, font handling, etc.)

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Meeting with Interlisp Medley Interlisp External weekly

May 21, 2025  •  95 mins  •  View Meeting or Ask Fathom Action Items ✨ Send updated Hicks paper draft to group for final review. Add Larry as author. Stephen Kaisler Review latest Hicks paper draft. Provide feedback to Stephen. Eleanor Young Address all comments on primer draft within 1 week. Focus on clarifying confusing parts. Abhik Hasnain Upload Interlisp logo + cover image to LinkedIn group. Use same as other socials. Paolo Amoroso Review Envos repo content w/ automation. Focus on identifying private info needing redaction. Herb Jellinek Follow up w/ George Blood re QIC tape restoration if no reply in few days. Ask about return if no progress. Herb Jellinek Meeting Summary ✨ Meeting Purpose Weekly external meeting to discuss Medley Interlisp project progress and updates Key Takeaways Paper on Interlisp history nearing completion; final review and edits underway before June submission Ongoing work to improve bibliography presentation on website and enable better searchability Exploring options for making older Medley versions accessible online (e.g. DOS emulation) Careful review needed of Envos archive materials before broader sharing due to privacy concerns Topics Paper on Interlisp History Stephen and Eleanor finalizing 10-page double-column paper for June submission Larry Masinter to be added as co-author for additional gravitas One more round of group review planned before submission in ~24 days Medley Primer Development Abhik working on next chapter after addressing recent comments Discussion on appropriate length - aiming for concise 30-40 pages vs. original 123 pages Considering brief Lisp intro and focusing on core "getting started" content Bibliography and Website Improvements Bill and Matt exploring options to create individual pages for bibliography entries Goals: Improve search engine optimization and enable better filtering/sorting Considering using Hugo taxonomies or custom page types Need to balance detail with efficient presentation and linking to source documents Envos Archive Materials Paolo exploring materials; found valuable historical info on Medley/Interlisp development Caution needed regarding personal/private information before broader sharing Herb to assist with careful review process and potential use of archival tools Online Access to Older Medley Versions Discussing options like Docker containers or JavaScript emulators (e.g. PCJS) Concerns about performance of browser-based emulation Need to clearly indicate these are for historical reference, not active development Miscellaneous Updates LinkedIn group growing (21 members) - Paolo to add logo/branding Ron continuing work on font handling improvements Stephen making progress debugging/updating Urisko system Next Steps Larry to send out latest paper draft for final group review Bill to put bibliography sample page on staging site for feedback Herb to investigate tools/best practices for reviewing archive materials Paolo to add branding to LinkedIn group Continue individual work on assigned tasks (primer, bibliography, font handling, etc.)

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways - Frank fixed a WSL issue reported by an external user and is investigating another WSL1-related freeze - Ron is working on font handling improvements, including consolidating character sets and clarifying encoding transformations - Paolo discovered and demonstrated a working spreadsheet program called Intercalc in the Envos sysout - The team discussed file naming conventions, Unicode handling, and potential improvements to the GitHub issue tracking process Topics WSL Bug Fixes and Investigations - Frank fixed a timing issue in the medley script to resolve a WSL problem reported by an external user - Investigating another issue where WSL1 freezes when using certain mouse functions or typing "get region" - The freeze appears to be caused by a tight loop calling getmouse repeatedly - Frank will continue investigating why this only occurs with one specific X server Font Handling Improvements - Ron is working on consolidating character sets into single files to reduce complexity - Developing tools and documentation to clarify font encoding transformations - Aiming to normalize everything to MCCS encoding internally - Discussing potential changes to how font coercions are specified - Considering how to handle Unicode and UTF-8 encodings consistently Intercalc Spreadsheet Discovery - Paolo found a working spreadsheet program called Intercalc in the Envos sysout - Originally developed around 1982-1984 by Dan Russell and later modified by Szybalski - Uses Lisp syntax for formulas and includes business graphics capabilities - Some rendering issues exist but core functionality appears to work - Historically significant as one of the earliest spreadsheet programs after VisiCalc File Naming and Path Handling - Discussed complexities around file naming conventions across different operating systems - Herb raised a question about changes to Common Lisp pathname handling that may have regressed - Considered potential improvements to directory listing and file enumeration functions - Explored options for accessing remote file systems like CHM archives through FUSE or WebDAV GitHub Issue Management - Team has 522 open issues, which is considered excessive - Many issues may be fixed but not properly closed out - Discussed having a dedicated meeting to review and triage open issues - Considered ways to improve issue categorization and closure processes Next Steps - Frank to continue investigating WSL1 freeze issue - Ron to document font handling changes and prepare for code review - Review and potentially merge Frank's WSL-related pull requests (2163 and 2160) - Consider scheduling a dedicated meeting for project/issue review and triage - Explore options for improving remote file system access (e.g. FUSE, WebDAV) - Investigate potential regression in Common Lisp pathname handling

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Meeting with Interlisp Medley Interlisp Implementation weekly May 26, 2025  •  146 mins  •  View Meeting

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Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways Frank fixed a WSL issue reported by an external user and is investigating another WSL1-related freeze Ron is working on font handling improvements, including consolidating character sets and clarifying encoding transformations Paolo discovered and demonstrated a working spreadsheet program called Intercalc in the Envos sysout The team discussed file naming conventions, Unicode handling, and potential improvements to the GitHub issue tracking process Topics WSL Bug Fixes and Investigations Frank fixed a timing issue in the medley script to resolve a WSL problem reported by an external user Investigating another issue where WSL1 freezes when using certain mouse functions or typing "get region" The freeze appears to be caused by a tight loop calling getmouse repeatedly Frank will continue investigating why this only occurs with one specific X server Font Handling Improvements Ron is working on consolidating character sets into single files to reduce complexity Developing tools and documentation to clarify font encoding transformations Aiming to normalize everything to MCCS encoding internally Discussing potential changes to how font coercions are specified Considering how to handle Unicode and UTF-8 encodings consistently Intercalc Spreadsheet Discovery Paolo found a working spreadsheet program called Intercalc in the Envos sysout Originally developed around 1982-1984 by Dan Russell and later modified by Szybalski Uses Lisp syntax for formulas and includes business graphics capabilities Some rendering issues exist but core functionality appears to work Historically significant as one of the earliest spreadsheet programs after VisiCalc File Naming and Path Handling Discussed complexities around file naming conventions across different operating systems Herb raised a question about changes to Common Lisp pathname handling that may have regressed Considered potential improvements to directory listing and file enumeration functions Explored options for accessing remote file systems like CHM archives through FUSE or WebDAV GitHub Issue Management Team has 522 open issues, which is considered excessive Many issues may be fixed but not properly closed out Discussed having a dedicated meeting to review and triage open issues Considered ways to improve issue categorization and closure processes Next Steps Frank to continue investigating WSL1 freeze issue Ron to document font handling changes and prepare for code review Review and potentially merge Frank's WSL-related pull requests (2163 and 2160) Consider scheduling a dedicated meeting for project/issue review and triage Explore options for improving remote file system access (e.g. FUSE, WebDAV) Investigate potential regression in Common Lisp pathname handling View Meeting →

[Fathom]

Meeting Purpose Weekly external Medley Interlisp project meeting to discuss progress, issues, and next steps. Key Takeaways - New participant Michael Belanger introduced; writing book on 1970s symbolic AI - Copyright considerations discussed for IEEE paper and project documentation - Social media strategy reviewed; LinkedIn group growing successfully - Ongoing work on bibliography, documentation, font handling, and T-Edit improvements - Paolo demoed graphical output progress in Dandy Guy implementation Topics Project Introduction for New Participant - Michael Belanger writing historical book on 1970s symbolic AI, focusing on concepts and human cognition - Team members introduced backgrounds: Xerox PARC, Interlisp development, AI/NLP research, current revival efforts - Discussed Interlisp's integrated development environment, graphics capabilities, Common Lisp compatibility Copyright and Documentation - IEEE paper: Can post preprint, not camera-ready version; considering where to solicit feedback - ACS aggressively enforces copyright; Matt's SpinPro paper preprint can be shared, not published version - Exploring DOIs and ORCID for project publications and author identification - Challenges locating/accessing original IM files for documentation; likely abandoned for T-Edit format Social Media and Outreach - LinkedIn group growing successfully, now 63 members - Monitoring official profiles on Mastodon, BlueSky, LinkedIn - Considering Google Alerts for broader coverage of mentions - Stack Overflow declining in relevance Bibliography and Search Functionality - Bill exploring tools to generate single-page bibliography from Zotero data - Investigating why GitHub repos not appearing in custom Google search results - May need to harvest GitHub content to make searchable on interlisp.org Ongoing Development Work - Frank: WSL1 timer support, documentation conversion challenges - Herb: HTML Stream documentation, font metric discussions - Ron: Font format documentation, investigating T-Edit crashes - Larry: Coordinating with Internet Archive on video digitization - Paolo: Implementing graphical output in Dandy Guy, demoed triangle pattern Next Steps - Ellie to prepare preprint version of IEEE paper for sharing - Bill to continue exploring bibliography generation tools - Frank to resolve WSL1 timer implementation with Nick - Ron to investigate T-Edit scrolling performance for sketch objects - Team to test RMK-88 branch for T-Edit improvements - Paolo to experiment with inserting sketch objects into T-Edit windows

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Meeting with Interlisp Medley Interlisp External weekly May 28, 2025  •  127 mins  •  View Meeting

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Meeting Purpose Weekly external Medley Interlisp project meeting to discuss progress, issues, and next steps. Key Takeaways New participant Michael Belanger introduced; writing book on 1970s symbolic AI Copyright considerations discussed for IEEE paper and project documentation Social media strategy reviewed; LinkedIn group growing successfully Ongoing work on bibliography, documentation, font handling, and T-Edit improvements Paolo demoed graphical output progress in Dandy Guy implementation Topics Project Introduction for New Participant Michael Belanger writing historical book on 1970s symbolic AI, focusing on concepts and human cognition Team members introduced backgrounds: Xerox PARC, Interlisp development, AI/NLP research, current revival efforts Discussed Interlisp's integrated development environment, graphics capabilities, Common Lisp compatibility Copyright and Documentation IEEE paper: Can post preprint, not camera-ready version; considering where to solicit feedback ACS aggressively enforces copyright; Matt's SpinPro paper preprint can be shared, not published version Exploring DOIs and ORCID for project publications and author identification Challenges locating/accessing original IM files for documentation; likely abandoned for T-Edit format Social Media and Outreach LinkedIn group growing successfully, now 63 members Monitoring official profiles on Mastodon, BlueSky, LinkedIn Considering Google Alerts for broader coverage of mentions Stack Overflow declining in relevance Bibliography and Search Functionality Bill exploring tools to generate single-page bibliography from Zotero data Investigating why GitHub repos not appearing in custom Google search results May need to harvest GitHub content to make searchable on interlisp.org Ongoing Development Work Frank: WSL1 timer support, documentation conversion challenges Herb: HTML Stream documentation, font metric discussions Ron: Font format documentation, investigating T-Edit crashes Larry: Coordinating with Internet Archive on video digitization Paolo: Implementing graphical output in Dandy Guy, demoed triangle pattern Next Steps Ellie to prepare preprint version of IEEE paper for sharing Bill to continue exploring bibliography generation tools Frank to resolve WSL1 timer implementation with Nick Ron to investigate T-Edit scrolling performance for sketch objects Team to test RMK-88 branch for T-Edit improvements Paolo to experiment with inserting sketch objects into T-Edit windows View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways - Ongoing debugging of memory/array space issues in T-Edit and hardcopy functionality - Font handling improvements being made, including new font format work - Several pull requests reviewed, with decisions made on approvals and further work needed - Discussions on potential future directions like integrating with SBCL or reviving XMAS code Topics T-Edit and Hardcopy Debugging - Ron is investigating memory/array space issues causing crashes in T-Edit and hardcopy functionality - Problem occurs more quickly in PR 2119 than in master branch - Debugging strategy involves narrowing down where issue first appears (opening files, display, etc.) - Suggestion to try disabling garbage collection to isolate if that's related - Discussion of potential causes like freelist corruption Font Handling Improvements - Ron working on new font format that results in much smaller file sizes (60K -> 6K gzipped) - Discussions on how different systems (T-Edit, Postscript, etc.) handle fonts and character encodings - Plans to clean up display fonts, HTML fonts, and BDF fonts to pre-compute data - Considerations for handling ligatures and other special character cases Pull Request Reviews - PR 2119 (T-Edit changes): On hold due to master branch issues - PR 2146 (DINFO graph): Approved after clarifying intended fix - PR 2160 (TALK documentation): Approved, needs merging - PR 2177 (Postscript color issue): Marked as draft, needs further investigation Future Directions - Larry proposed idea of integrating Medley with SBCL using foreign function calls or inter-process communication - Discussion of potentially reviving XMAS code for native X Windows display - Paolo found interesting historical materials in Envos repo, including documentation sources and demo files Next Steps - Ron to continue debugging T-Edit/hardcopy issues, try disabling GC - Investigate Postscript color handling (issue with color values 0 and 7) - Merge approved PRs - Paolo to make list of interesting materials found in Envos repo - Consider creating separate repo for XMAS code - Explore potential SBCL integration approaches

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Meeting with Interlisp Medley Interlisp Implementation weekly June 02, 2025  •  145 mins  •  View Meeting or Ask Fathom Action Items ✨ Update PR 2177 documentation re: Postscript color handling, mark as draft Ron Kaplan Investigate Postscript handling of color values 0 and 7 in outchar function Matt Heffron Create list of interesting docs/software found in Envos repo for potential inclusion in other repos Paolo Amoroso Publish reproducible test case for T-Edit memory error in master branch Ron Kaplan Test memory error with GC disabled using disableGC function Ron Kaplan Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways Ongoing debugging of memory/array space issues in T-Edit and hardcopy functionality Font handling improvements being made, including new font format work Several pull requests reviewed, with decisions made on approvals and further work needed Discussions on potential future directions like integrating with SBCL or reviving XMAS code Topics T-Edit and Hardcopy Debugging Ron is investigating memory/array space issues causing crashes in T-Edit and hardcopy functionality Problem occurs more quickly in PR 2119 than in master branch Debugging strategy involves narrowing down where issue first appears (opening files, display, etc.) Suggestion to try disabling garbage collection to isolate if that's related Discussion of potential causes like freelist corruption Font Handling Improvements Ron working on new font format that results in much smaller file sizes (60K -> 6K gzipped) Discussions on how different systems (T-Edit, Postscript, etc.) handle fonts and character encodings Plans to clean up display fonts, HTML fonts, and BDF fonts to pre-compute data Considerations for handling ligatures and other special character cases Pull Request Reviews PR 2119 (T-Edit changes): On hold due to master branch issues PR 2146 (DINFO graph): Approved after clarifying intended fix PR 2160 (TALK documentation): Approved, needs merging PR 2177 (Postscript color issue): Marked as draft, needs further investigation Future Directions Larry proposed idea of integrating Medley with SBCL using foreign function calls or inter-process communication Discussion of potentially reviving XMAS code for native X Windows display Paolo found interesting historical materials in Envos repo, including documentation sources and demo files Next Steps Ron to continue debugging T-Edit/hardcopy issues, try disabling GC Investigate Postscript color handling (issue with color values 0 and 7) Merge approved PRs Paolo to make list of interesting materials found in Envos repo Consider creating separate repo for XMAS code Explore potential SBCL integration approaches

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[Fathom]

Meeting Purpose Weekly update on Medley Interlisp project progress and discussion of technical issues Key Takeaways - Ellie presented at IEEE conference, receiving positive feedback on Medley modernization efforts - Ron investigating T-Edit crash issue, possibly related to pseudohost interaction - Herb working on email archiving tool and HTML Stream release - Matt exploring PostScript font handling improvements for Unicode support - Team discussing strategies for improving documentation and code management Topics IEEE Conference Presentation - Ellie presented paper on Medley modernization, well-received by audience - Highlighted importance of preserving historical context while making Medley usable today - Notable talks on laser history and computing lab recreations (e.g. Waterloo's "Red Room") T-Edit Crash Investigation - Ron investigating crash in T-Edit stress test - Issue may be related to pseudohost interaction or premature freeing of data - Exploring differences in behavior across environments (Mac M2 vs Intel, WSL) - Considering creation of more consistent, non-random stress test Google Search Console Setup - Bill and Herb successfully added DNS entries for Google to verify ownership of interlisp.org - Google now indexing files.interlisp.medley and online.interlisp.org PostScript Font Handling - Matt investigating PostScript driver's handling of characters outside Charset Zero - Clever code (possibly by RMK in '93) computes widths for unmapped characters - Exploring potential for using Type 0 PostScript fonts to support 64K glyphs - Considering mapping from Xerox MCCS codes to Unicode for improved handling Email Archiving Tool - Herb exploring ePAD tool from Stanford for email archiving and discovery - Investigating Lafitte mailbox format and potential need for custom parsing HTML Stream Release - Herb planning to release HTML Stream package - Added support for draw arc and color in draw curve - Considering timing of release before upcoming travel Documentation and Code Management - Discussing strategies for managing historical vs. modern documents - Considering version numbering and repository organization for evolving codebase Next Steps - Ron to continue investigating T-Edit crash, comparing environments with Nick - Herb to release HTML Stream package and explore email archiving tool further - Matt to continue exploring PostScript font improvements - Steve to finalize and submit Interlisp paper for upcoming conference - Team to review and discuss documentation management strategies

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Meeting with Interlisp Medley Interlisp External weekly June 04, 2025  •  95 mins  •  View Meeting or Ask Fathom Action Items ✨ Email IEEE conference name to Stephen K Eleanor Young Incorporate Ellie's edits into paper, send to Larry/Ellie for review Stephen Kaisler Open GitHub issue - list manuals to move from Envos to main Medley repo Paolo Amoroso Release HTML Stream on LispCore Herb Jellinek Set up new dev machine, build environment Bill Stumbo Meeting Summary ✨ Meeting Purpose Weekly update on Medley Interlisp project progress and discussion of technical issues Key Takeaways Ellie presented at IEEE conference, receiving positive feedback on Medley modernization efforts Ron investigating T-Edit crash issue, possibly related to pseudohost interaction Herb working on email archiving tool and HTML Stream release Matt exploring PostScript font handling improvements for Unicode support Team discussing strategies for improving documentation and code management Topics IEEE Conference Presentation Ellie presented paper on Medley modernization, well-received by audience Highlighted importance of preserving historical context while making Medley usable today Notable talks on laser history and computing lab recreations (e.g. Waterloo's "Red Room") T-Edit Crash Investigation Ron investigating crash in T-Edit stress test Issue may be related to pseudohost interaction or premature freeing of data Exploring differences in behavior across environments (Mac M2 vs Intel, WSL) Considering creation of more consistent, non-random stress test Google Search Console Setup Bill and Herb successfully added DNS entries for Google to verify ownership of interlisp.org Google now indexing files.interlisp.medley and online.interlisp.org PostScript Font Handling Matt investigating PostScript driver's handling of characters outside Charset Zero Clever code (possibly by RMK in '93) computes widths for unmapped characters Exploring potential for using Type 0 PostScript fonts to support 64K glyphs Considering mapping from Xerox MCCS codes to Unicode for improved handling Email Archiving Tool Herb exploring ePAD tool from Stanford for email archiving and discovery Investigating Lafitte mailbox format and potential need for custom parsing HTML Stream Release Herb planning to release HTML Stream package Added support for draw arc and color in draw curve Considering timing of release before upcoming travel Documentation and Code Management Discussing strategies for managing historical vs. modern documents Considering version numbering and repository organization for evolving codebase Next Steps Ron to continue investigating T-Edit crash, comparing environments with Nick Herb to release HTML Stream package and explore email archiving tool further Matt to continue exploring PostScript font improvements Steve to finalize and submit Interlisp paper for upcoming conference Team to review and discuss documentation management strategies

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps Key Takeaways - WSL1 support implementation nearing completion with PRs ready for review - Ongoing investigation into array block corruption issue, with potential fixes discussed - Color handling improvements for PostScript output proposed and under review - Documentation efforts continuing, with focus on organizing newly discovered files Topics DOS Distribution Repository - Runes has original DOS distribution files not in current repo - Agreed to create a "Release" directory in DOS repo for these files - Will clean out unnecessary/inappropriate content from existing repo AAAI Demo Files - Runes has AAAI demo files from ~1992 not currently in repos - Decided to place these in "internal" directory of Medley repo Array Block Corruption Issue - Nick investigating corruption where small block appears inside larger block - Discussed potential causes, including issues with freeing and merging blocks - Proposed adding debugging features to detect improper access to freed blocks Font Handling Improvements - Ron working on improving font completion and character set handling - Encountering issues with RADOM during load-up process - Aiming to reduce font completion time from overnight to minutes WSL1 Support Implementation - Frank completed PRs for WSL1 support across multiple repos - Includes changes to Mako, Medley, and documentation - PRs ready for review, with specific merge order required PostScript Color Handling - Matt proposed fix for handling odd color values in PostScript output - Approach aligns with Interpress behavior, ignoring complex color maps - PR ready for review and testing Documentation Organization - Paolo completed initial review of MWOS repo for documentation - Identified various demo files and other potentially useful content - Darun expected to contribute additional files to MED repo Next Steps - Review and merge WSL1 support PRs in correct order - Test PostScript color handling fix with various sketch files - Continue investigation of array block corruption issue - Implement proposed debugging features for array space management - Review and organize newly discovered documentation and demo files

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Meeting with Interlisp Medley Interlisp Implementation weekly June 09, 2025  •  102 mins  •  View Meeting or Ask Fathom Action Items ✨ Create 'Release' directory in DOS repo, add customer-facing DOS distribution files, clean out unnecessary files Runes Add AAAI demo files to 'internal' directory in medley repo Runes Modify stress test to disable explicit calls to check array space/parse arrays, keep array block checking flag on Ron Kaplan Complete documentation update for WSL1 support Frank Halasz Review PR #2177 (PostScript color handling), test with various Sketch files Matt Heffron Create feature request for new hardcopy behavior (PDF generation, viewer opening) Larry Masinter-lisp Test if array block issue persists with checkarrays=nil and array block checking=T Nick Briggs Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps Key Takeaways WSL1 support implementation nearing completion with PRs ready for review Ongoing investigation into array block corruption issue, with potential fixes discussed Color handling improvements for PostScript output proposed and under review Documentation efforts continuing, with focus on organizing newly discovered files Topics DOS Distribution Repository Runes has original DOS distribution files not in current repo Agreed to create a "Release" directory in DOS repo for these files Will clean out unnecessary/inappropriate content from existing repo AAAI Demo Files Runes has AAAI demo files from ~1992 not currently in repos Decided to place these in "internal" directory of Medley repo Array Block Corruption Issue Nick investigating corruption where small block appears inside larger block Discussed potential causes, including issues with freeing and merging blocks Proposed adding debugging features to detect improper access to freed blocks Font Handling Improvements Ron working on improving font completion and character set handling Encountering issues with RADOM during load-up process Aiming to reduce font completion time from overnight to minutes WSL1 Support Implementation Frank completed PRs for WSL1 support across multiple repos Includes changes to Mako, Medley, and documentation PRs ready for review, with specific merge order required PostScript Color Handling Matt proposed fix for handling odd color values in PostScript output Approach aligns with Interpress behavior, ignoring complex color maps PR ready for review and testing Documentation Organization Paolo completed initial review of MWOS repo for documentation Identified various demo files and other potentially useful content Darun expected to contribute additional files to MED repo Next Steps Review and merge WSL1 support PRs in correct order Test PostScript color handling fix with various sketch files Continue investigation of array block corruption issue Implement proposed debugging features for array space management Review and organize newly discovered documentation and demo files

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[Paolo Amoroso]

AAAI Demo Files

• Runes has AAAI demo files from ~1992 not currently in repos

Fathom got this wrong. Arun has an IEEE demo from the late 1980s.

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Paolo Amoroso | Blog | Mastodon

[Fathom]

Meeting Purpose Discuss ongoing Medley Interlisp development efforts and address technical issues. Key Takeaways - Progress made on Interlisp primer, Hicks paper, and exploring MBROS repo extensions - Font cleanup and consolidation needed to streamline Medley's font system - Scaling/readability issues on modern displays remain an open challenge - Debugging session resolved issues integrating Intercalc spreadsheets with Notecards Topics Interlisp Primer Progress - New chapter added on saving work - Discussion on origin of "Interlisp" name - likely about integrating different Lisp variants, not "interactive" - Decided to focus on makefiles for beginners, mentioning cleanup function later Hicks Paper Updates - Minor wording tweaks discussed for historical accuracy - Paper nearly complete at 9.75 pages, final formatting in progress - Submission expected around August 1st, with ~3 weeks for revisions after Display Scaling Challenges - No simple solution yet for scaling Medley on modern high-res displays - VNC scaling works on Windows but has issues on Linux - Possible workarounds: lower monitor resolution, use older monitors, or integer pixel scaling (limited usefulness) Font System Cleanup - Many duplicate/obsolete font files identified - Plan to consolidate into single canonical file per font/size - Will move source files out of runtime/load-up directories MBROS Repo Exploration - Debugged integration of Intercalc spreadsheets with Notecards - Resolved issues with function redefinitions and missing hooks - Extensions appear to be alpha quality from 1992, requiring further work Urisco Development - Progress on documenting and improving Urisco discovery system - Ran successfully to 11,000+ tasks, beyond original capabilities - Plans to make it more general-purpose beyond AM mathematics domain Next Steps - Continue font cleanup and consolidation efforts - Further debug and improve MBROS repo extensions (Intercalc + Notecards) - Finalize and submit Hicks paper - Explore potential solutions for display scaling issues - Add screenshots page or link to GitHub discussion on project website

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Meeting with Interlisp Medley Interlisp External weekly June 11, 2025  •  121 mins  •  View Meeting or Ask Fathom Action Items ✨

No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Discuss ongoing Medley Interlisp development efforts and address technical issues. Key Takeaways Progress made on Interlisp primer, Hicks paper, and exploring MBROS repo extensions Font cleanup and consolidation needed to streamline Medley's font system Scaling/readability issues on modern displays remain an open challenge Debugging session resolved issues integrating Intercalc spreadsheets with Notecards Topics Interlisp Primer Progress New chapter added on saving work Discussion on origin of "Interlisp" name - likely about integrating different Lisp variants, not "interactive" Decided to focus on makefiles for beginners, mentioning cleanup function later Hicks Paper Updates Minor wording tweaks discussed for historical accuracy Paper nearly complete at 9.75 pages, final formatting in progress Submission expected around August 1st, with ~3 weeks for revisions after Display Scaling Challenges No simple solution yet for scaling Medley on modern high-res displays VNC scaling works on Windows but has issues on Linux Possible workarounds: lower monitor resolution, use older monitors, or integer pixel scaling (limited usefulness) Font System Cleanup Many duplicate/obsolete font files identified Plan to consolidate into single canonical file per font/size Will move source files out of runtime/load-up directories MBROS Repo Exploration Debugged integration of Intercalc spreadsheets with Notecards Resolved issues with function redefinitions and missing hooks Extensions appear to be alpha quality from 1992, requiring further work Urisco Development Progress on documenting and improving Urisco discovery system Ran successfully to 11,000+ tasks, beyond original capabilities Plans to make it more general-purpose beyond AM mathematics domain Next Steps Continue font cleanup and consolidation efforts Further debug and improve MBROS repo extensions (Intercalc + Notecards) Finalize and submit Hicks paper Explore potential solutions for display scaling issues Add screenshots page or link to GitHub discussion on project website

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation team meeting to discuss progress, issues, and next steps. Key Takeaways - Ron is working on rationalizing and simplifying the font system, aiming to reduce coercions and create a more consistent font file format - Nick is investigating array block allocation issues causing crashes in T-Edit stress tests - The team discussed potential approaches for improving font handling, including using FreeType library - Several PRs were reviewed and approved for merging, with a focus on WSL1-related changes Topics Font System Improvements - Ron is working on simplifying font creation and coercion logic - Aiming to create a single Medley font file format containing all character sets - Discussed potential use of FreeType library for TrueType font rendering - Considering creating a hash file (fonts.hash) to replace directory-based font lookups - Goal is to have BDF fonts as the canonical source for display fonts Array Block Allocation Issues - Nick investigating crashes in T-Edit stress tests related to array block allocation - Problem occurs after processing many files (300-400) - Discussed potential causes, including X-pointer issues and string manipulation - Ron will look more closely at T-Edit insertion code PR Reviews and Merging - Reviewed and approved several PRs: 2163, 2180, 2181, 2182 - These PRs relate to WSL1 improvements and GitHub Actions updates - Frank will merge them in the correct order due to dependencies Historical Magazine References - Paolo found interesting references to Xerox systems and Interlisp in old micro-mini-systems magazine - Mentioned collaboration with Lucid for Common Lisp implementation, though Larry believes this was likely just marketing Big Bitmap Support - Discussed challenges in implementing big bitmap support for displays - Need to modify SDL and X code to handle larger bitmap descriptors Next Steps - Ron to separate Medley font format changes into a new PR - Matt to clarify documentation in PR 2177 regarding color/texture specifications - Frank to merge approved PRs in correct order (2163, 2180, 2181, 2182) - Continue investigation of array block allocation issues in T-Edit - Explore potential use of FreeType library for font rendering

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Meeting with Interlisp Medley Interlisp Implementation weekly June 16, 2025  •  119 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation team meeting to discuss progress, issues, and next steps. Key Takeaways Ron is working on rationalizing and simplifying the font system, aiming to reduce coercions and create a more consistent font file format Nick is investigating array block allocation issues causing crashes in T-Edit stress tests The team discussed potential approaches for improving font handling, including using FreeType library Several PRs were reviewed and approved for merging, with a focus on WSL1-related changes Topics Font System Improvements Ron is working on simplifying font creation and coercion logic Aiming to create a single Medley font file format containing all character sets Discussed potential use of FreeType library for TrueType font rendering Considering creating a hash file (fonts.hash) to replace directory-based font lookups Goal is to have BDF fonts as the canonical source for display fonts Array Block Allocation Issues Nick investigating crashes in T-Edit stress tests related to array block allocation Problem occurs after processing many files (300-400) Discussed potential causes, including X-pointer issues and string manipulation Ron will look more closely at T-Edit insertion code PR Reviews and Merging Reviewed and approved several PRs: 2163, 2180, 2181, 2182 These PRs relate to WSL1 improvements and GitHub Actions updates Frank will merge them in the correct order due to dependencies Historical Magazine References Paolo found interesting references to Xerox systems and Interlisp in old micro-mini-systems magazine Mentioned collaboration with Lucid for Common Lisp implementation, though Larry believes this was likely just marketing Big Bitmap Support Discussed challenges in implementing big bitmap support for displays Need to modify SDL and X code to handle larger bitmap descriptors Next Steps Ron to separate Medley font format changes into a new PR Matt to clarify documentation in PR 2177 regarding color/texture specifications Frank to merge approved PRs in correct order (2163, 2180, 2181, 2182) Continue investigation of array block allocation issues in T-Edit Explore potential use of FreeType library for font rendering View Meeting →

[Fathom]

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates, technical issues, and next steps. Key Takeaways - Herb's HTML stream library is ready but needs further testing before public release - Ron is working on font completion and character-level transformations - The team is considering adding .medley file extensions to Interlisp source files for better compatibility - Paolo found new documents on expert systems written in Interlisp Topics Conference Paper Submissions - Stephen Kaisler's paper submission for HICSS (with Ellie and Larry) should hear back by August 1st - Uncertainty about acceptance due to high volume of AI/ML papers this year - Stephen's long-running mini-tracks at HICSS may be ending after 20+ years HTML Stream Library - Herb's HTML stream library is ready but needs more testing before public release - Suggestions for improvements: - Add demo functions creating sample HTML pages - Save demo pages to repo for easy viewing - Discussion on whether to move it to the main library or keep in Herb's repo for now Arun's Data Tapes Recovery - 4 QIC data tapes sent to George Blood, LP for recovery - Tapes need repair and "baking" process to reattach magnetic coating - Recovery process has started after delays; Herb will follow up for updates Font Completion and Transformations - Ron working on font completion down to character level - Implementing logic for algorithmic bold/italic when actual glyphs don't exist - Skipping transformations for Japanese characters - Discussing performance optimizations and potential issues with automatic transformations File Extensions for Interlisp Sources - Team considering adding .medley extension to Interlisp source files - Benefits: easier recognition by GitHub, CodeBerg, and other platforms - Challenges: - Updating existing files and references - Handling compiled files (LCOM, DFASL) that reference source names - Next steps: Experiment with renaming test set and identify necessary changes Interlisp Documentation and Research - Paolo found documents on expert systems written in Interlisp - Matt found a book with references to Interlisp and Xerox Next Steps - Herb to create demo functions and pages for HTML stream library - Larry to open GitHub issue for YouTube channel development - Paolo to implement link to screenshot discussions on website - Team to experiment with adding .medley extensions to test files - Continue research and documentation of Interlisp history and applications

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Meeting with Interlisp Medley Interlisp External weekly June 18, 2025  •  66 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates, technical issues, and next steps. Key Takeaways Herb's HTML stream library is ready but needs further testing before public release Ron is working on font completion and character-level transformations The team is considering adding .medley file extensions to Interlisp source files for better compatibility Paolo found new documents on expert systems written in Interlisp Topics Conference Paper Submissions Stephen Kaisler's paper submission for HICSS (with Ellie and Larry) should hear back by August 1st Uncertainty about acceptance due to high volume of AI/ML papers this year Stephen's long-running mini-tracks at HICSS may be ending after 20+ years HTML Stream Library Herb's HTML stream library is ready but needs more testing before public release Suggestions for improvements: Add demo functions creating sample HTML pages Save demo pages to repo for easy viewing Discussion on whether to move it to the main library or keep in Herb's repo for now Arun's Data Tapes Recovery 4 QIC data tapes sent to George Blood, LP for recovery Tapes need repair and "baking" process to reattach magnetic coating Recovery process has started after delays; Herb will follow up for updates Font Completion and Transformations Ron working on font completion down to character level Implementing logic for algorithmic bold/italic when actual glyphs don't exist Skipping transformations for Japanese characters Discussing performance optimizations and potential issues with automatic transformations File Extensions for Interlisp Sources Team considering adding .medley extension to Interlisp source files Benefits: easier recognition by GitHub, CodeBerg, and other platforms Challenges: Updating existing files and references Handling compiled files (LCOM, DFASL) that reference source names Next steps: Experiment with renaming test set and identify necessary changes Interlisp Documentation and Research Paolo found documents on expert systems written in Interlisp Matt found a book with references to Interlisp and Xerox Next Steps Herb to create demo functions and pages for HTML stream library Larry to open GitHub issue for YouTube channel development Paolo to implement link to screenshot discussions on website Team to experiment with adding .medley extensions to test files Continue research and documentation of Interlisp history and applications View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways - Paolo is updating the Lisp Users modules spreadsheet, reviewing and categorizing packages - Discussion on how to organize and categorize Lisp Users packages, including potential searchable interface - Unboxed Ops package functionality and implementation explored, appears to work but needs further investigation - T-Edit recompilation resolved some issues, but array block errors persist Topics Lisp Users Package Organization - Paolo updating spreadsheet of Lisp Users modules, currently up to letter D - Considering categories: modern contributions, legacy (90s Medley, PARC), obsolete - Discussed need for searchable interface and metadata/documentation for packages - Some packages (e.g. WhoLine) should be moved from Lisp Users to Library if used in load-up T-Edit Recompilation - Ron recompiled T-Edit, resolving some crashes but not all array block errors - Suggestion to create a separate PR with only T-Edit recompilation for testing - Discussion on constraints for init files (e.g. cannot use 'files' command) Unboxed Ops Package - Package for fast arithmetic operations, potentially useful for IDL implementation - Appears to be implemented in C (edf2.c file) - Initial tests show it's functional, but timing measurements need refinement - Further investigation needed to understand full capabilities and limitations HTML Stream and Links - Herb working on HTML Stream based on feedback - Discussed approaches for implementing links in T-Edit and handling through device-independent graphics layer - Considered adding DSP-link operation to image stream for device-independent link handling Next Steps - Paolo to continue updating Lisp Users spreadsheet and raise any questions - Ron to create separate PR for T-Edit recompilation - Further investigation of Unboxed Ops package functionality and potential uses - Herb to continue work on HTML Stream and link implementation in T-Edit - Larry to follow up on getting Ellie's paper posted on the website with proper copyright notice

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Meeting with Interlisp Medley Interlisp Implementation weekly June 23, 2025  •  81 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways Paolo is updating the Lisp Users modules spreadsheet, reviewing and categorizing packages Discussion on how to organize and categorize Lisp Users packages, including potential searchable interface Unboxed Ops package functionality and implementation explored, appears to work but needs further investigation T-Edit recompilation resolved some issues, but array block errors persist Topics Lisp Users Package Organization Paolo updating spreadsheet of Lisp Users modules, currently up to letter D Considering categories: modern contributions, legacy (90s Medley, PARC), obsolete Discussed need for searchable interface and metadata/documentation for packages Some packages (e.g. WhoLine) should be moved from Lisp Users to Library if used in load-up T-Edit Recompilation Ron recompiled T-Edit, resolving some crashes but not all array block errors Suggestion to create a separate PR with only T-Edit recompilation for testing Discussion on constraints for init files (e.g. cannot use 'files' command) Unboxed Ops Package Package for fast arithmetic operations, potentially useful for IDL implementation Appears to be implemented in C (edf2.c file) Initial tests show it's functional, but timing measurements need refinement Further investigation needed to understand full capabilities and limitations HTML Stream and Links Herb working on HTML Stream based on feedback Discussed approaches for implementing links in T-Edit and handling through device-independent graphics layer Considered adding DSP-link operation to image stream for device-independent link handling Next Steps Paolo to continue updating Lisp Users spreadsheet and raise any questions Ron to create separate PR for T-Edit recompilation Further investigation of Unboxed Ops package functionality and potential uses Herb to continue work on HTML Stream and link implementation in T-Edit Larry to follow up on getting Ellie's paper posted on the website with proper copyright notice View Meeting →

[Fathom]

Meeting Purpose Weekly external meeting to discuss progress and updates on the Medley Interlisp project. Key Takeaways - Ellie is uploading Interlisp-related videos from the Xerox PARC Archive to YouTube, adding chapter markers for easier navigation - The IEEE paper on Interlisp has been completed and will be posted to the project website, with plans to announce it on social media - Several team members are working on debugging and improving various aspects of Medley, including font handling, documentation, and specific applications - The team discussed strategies for version control and rolling back changes when working on Medley code Topics Video Archive Uploads - Ellie has started uploading Interlisp-related videos from the Xerox PARC Archive to YouTube - One full 59-minute video on Interlisp-D applications from 1981 was uploaded - Discussion on adding chapter markers to long videos for easier navigation - Suggestion to use YouTube Studio's chapter marking feature IEEE Paper Publication - The final version of the IEEE paper preprint is ready - Plans to post the paper on the project website and announce it on social media - Discussion on IEEE's policies for publishing preprints - Suggestion to reach out to Computer History Museum curators about the paper Medley Development Updates - Ron is working on font cleanup and investigating crashes in Medley - Herb is looking into generating RTF from Medley - Stephen is debugging issues with Truckin and Urisco applications - Frank is working on WSL documentation and reinventing the Table of Contents generator for the IRM Version Control and Debugging Strategies - Discussion on using Git for version control when working on Medley code - Suggestion to use Medley's built-in version files for rolling back changes - Advice on rebuilding sysouts when upgrading to new Medley releases Miscellaneous Updates - Stephen is working on proofs for his second British computer systems book - Larry mentioned that Richard Burton is starting to work on Medley - Paolo is refreshing his knowledge of LOOPS and continuing work on Lispusers cleanup Next Steps - Ellie to submit a PR for adding the IEEE paper to the website - Larry to reach out to Hanson Tsu at the Computer History Museum about the paper - Stephen to contact Michael L. Bellinger about potential collaboration on AI history book - Team members to continue their respective development and documentation tasks - Consider adding documentation about rebuilding sysouts after Medley upgrades

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Meeting with Interlisp Medley Interlisp External weekly June 25, 2025  •  101 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly external meeting to discuss progress and updates on the Medley Interlisp project. Key Takeaways Ellie is uploading Interlisp-related videos from the Xerox PARC Archive to YouTube, adding chapter markers for easier navigation The IEEE paper on Interlisp has been completed and will be posted to the project website, with plans to announce it on social media Several team members are working on debugging and improving various aspects of Medley, including font handling, documentation, and specific applications The team discussed strategies for version control and rolling back changes when working on Medley code Topics Video Archive Uploads Ellie has started uploading Interlisp-related videos from the Xerox PARC Archive to YouTube One full 59-minute video on Interlisp-D applications from 1981 was uploaded Discussion on adding chapter markers to long videos for easier navigation Suggestion to use YouTube Studio's chapter marking feature IEEE Paper Publication The final version of the IEEE paper preprint is ready Plans to post the paper on the project website and announce it on social media Discussion on IEEE's policies for publishing preprints Suggestion to reach out to Computer History Museum curators about the paper Medley Development Updates Ron is working on font cleanup and investigating crashes in Medley Herb is looking into generating RTF from Medley Stephen is debugging issues with Truckin and Urisco applications Frank is working on WSL documentation and reinventing the Table of Contents generator for the IRM Version Control and Debugging Strategies Discussion on using Git for version control when working on Medley code Suggestion to use Medley's built-in version files for rolling back changes Advice on rebuilding sysouts when upgrading to new Medley releases Miscellaneous Updates Stephen is working on proofs for his second British computer systems book Larry mentioned that Richard Burton is starting to work on Medley Paolo is refreshing his knowledge of LOOPS and continuing work on Lispusers cleanup Next Steps Ellie to submit a PR for adding the IEEE paper to the website Larry to reach out to Hanson Tsu at the Computer History Museum about the paper Stephen to contact Michael L. Bellinger about potential collaboration on AI history book Team members to continue their respective development and documentation tasks Consider adding documentation about rebuilding sysouts after Medley upgrades View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways - Array block checking issues in T-Edit (RMK-88) appear resolved, pending final verification - Font handling and organization improvements are ongoing, with discussions on storage efficiency and runtime loading - Progress made on cleaning up duplicate font files and comparing font variations - Discussions on improving build processes, including branch-specific loadup directories Topics Array Block Checking Issues - RMK-88 T-Edit issue appears resolved after turning off check-arrays and enabling array block checking flag - Nick to review check array code for potential improvements to prevent allocation during checks - Discussion on the nature of the bug being an "anti-Heisenberg" issue - problem only appears when looking for it Font Handling Improvements - Ron working on consolidating font files, removing duplicates, and comparing variations - Discussions on storage efficiency vs. runtime flexibility for font loading - Considerations for separating fonts into a distinct repository - Exploration of web font stack model for potential application to Interlisp font handling Build Process Improvements - Frank to implement branch-specific loadup directories - New command-line option to be added to Medley script for specifying branch for loadup - Default behavior will use current Git branch, with option to specify a different branch LOTS (Logistics Over the Shore) System - Paolo discovered well-documented Loops-based Navy logistics system in EMBOS repo - System currently broken but offers potential for study of large Loops application - Includes rare examples of multi-column T-Edit files and custom documentation tools Miscellaneous - Discussion on natural language processing applications in finance - Brief mention of Richard Burton's issues with ARM package on x86 - Consideration for improving compiled file difference checking Next Steps - Nick to verify RMK-88 fix and review array block checking code - Ron to continue work on font consolidation and format improvements - Frank to implement branch-specific loadup directories and update Medley script - Larry to write up ideas for improved checking of compiled file differences - Team to consider approach for separating fonts into a distinct repository

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Meeting with Interlisp Medley Interlisp Implementation weekly June 30, 2025  •  104 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways Array block checking issues in T-Edit (RMK-88) appear resolved, pending final verification Font handling and organization improvements are ongoing, with discussions on storage efficiency and runtime loading Progress made on cleaning up duplicate font files and comparing font variations Discussions on improving build processes, including branch-specific loadup directories Topics Array Block Checking Issues RMK-88 T-Edit issue appears resolved after turning off check-arrays and enabling array block checking flag Nick to review check array code for potential improvements to prevent allocation during checks Discussion on the nature of the bug being an "anti-Heisenberg" issue - problem only appears when looking for it Font Handling Improvements Ron working on consolidating font files, removing duplicates, and comparing variations Discussions on storage efficiency vs. runtime flexibility for font loading Considerations for separating fonts into a distinct repository Exploration of web font stack model for potential application to Interlisp font handling Build Process Improvements Frank to implement branch-specific loadup directories New command-line option to be added to Medley script for specifying branch for loadup Default behavior will use current Git branch, with option to specify a different branch LOTS (Logistics Over the Shore) System Paolo discovered well-documented Loops-based Navy logistics system in EMBOS repo System currently broken but offers potential for study of large Loops application Includes rare examples of multi-column T-Edit files and custom documentation tools Miscellaneous Discussion on natural language processing applications in finance Brief mention of Richard Burton's issues with ARM package on x86 Consideration for improving compiled file difference checking Next Steps Nick to verify RMK-88 fix and review array block checking code Ron to continue work on font consolidation and format improvements Frank to implement branch-specific loadup directories and update Medley script Larry to write up ideas for improved checking of compiled file differences Team to consider approach for separating fonts into a distinct repository View Meeting →

[Fathom]

Meeting Purpose To discuss upcoming events, papers, and coordination for the Software Preservation Network Metadata Working Group presentation. Key Takeaways - Planning an online event about Interlisp for fall 2025 to maximize attendance and preparation time - Recent paper generated significant interest; another paper for Hicks conference pending acceptance - Eleanor Young to present at Software Preservation Network Metadata Working Group on Tuesday, focusing on IEEE paper and potential collaboration Topics Fall 2025 Online Interlisp Event - Proposed timing: Fall 2025 to avoid summer attention lapse and allow more preparation time - Format: Virtual event with talks and open discussions about various aspects of Interlisp - Potential for high interest, even from non-users curious about Interlisp's history - Opportunity to leverage recent paper's success and ongoing interest in Lisp machines and software environments Upcoming Papers and Presentations - Recent paper showed significant interest in Lisp machine topics and software environments - Pending paper for Hicks conference by Eleanor, Larry, and Stephen; final version due September 2025 - If accepted, can be shared after final submission Software Preservation Network Metadata Working Group Presentation - Eleanor Young presenting on Tuesday at their community call - Main focus: Discuss IEEE paper content - Additional goal: Explore potential collaboration on metadata-related tasks - Larry's input: - Suggest review of existing metadata guidelines for bibliography additions - SPN primarily focused on gaming preservation; opportunity to broaden their scope - Action item: Larry and Eleanor to coordinate on specific talking points before the presentation Metadata Collaboration Opportunities - Potential areas for SPN assistance: - Review existing metadata guidelines for bibliography - Identify gaps or areas for expansion in current metadata approach - Challenge: SPN's current focus on gaming preservation may require effort to redirect attention Next Steps - Eleanor and Larry to finalize talking points for Tuesday's SPN Metadata Working Group presentation - Continue preparations for fall 2025 online Interlisp event - Await decision on Hicks conference paper submission - Follow up with SPN after Tuesday's presentation to explore concrete collaboration opportunities

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Meeting with Interlisp Medley Interlisp External weekly July 02, 2025  •  5 mins  •  View Meeting or Ask Fathom Action Items ✨ Review metadata guidelines for bibliography additions. Present to Software Preservation Network Metadata Working Group. Ask for their review/input. Discuss potential expansion of their focus beyond gaming. Eleanor Young Meeting Summary ✨ Meeting Purpose To discuss upcoming events, papers, and coordination for the Software Preservation Network Metadata Working Group presentation. Key Takeaways Planning an online event about Interlisp for fall 2025 to maximize attendance and preparation time Recent paper generated significant interest; another paper for Hicks conference pending acceptance Eleanor Young to present at Software Preservation Network Metadata Working Group on Tuesday, focusing on IEEE paper and potential collaboration Topics Fall 2025 Online Interlisp Event Proposed timing: Fall 2025 to avoid summer attention lapse and allow more preparation time Format: Virtual event with talks and open discussions about various aspects of Interlisp Potential for high interest, even from non-users curious about Interlisp's history Opportunity to leverage recent paper's success and ongoing interest in Lisp machines and software environments Upcoming Papers and Presentations Recent paper showed significant interest in Lisp machine topics and software environments Pending paper for Hicks conference by Eleanor, Larry, and Stephen; final version due September 2025 If accepted, can be shared after final submission Software Preservation Network Metadata Working Group Presentation Eleanor Young presenting on Tuesday at their community call Main focus: Discuss IEEE paper content Additional goal: Explore potential collaboration on metadata-related tasks Larry's input: Suggest review of existing metadata guidelines for bibliography additions SPN primarily focused on gaming preservation; opportunity to broaden their scope Action item: Larry and Eleanor to coordinate on specific talking points before the presentation Metadata Collaboration Opportunities Potential areas for SPN assistance: Review existing metadata guidelines for bibliography Identify gaps or areas for expansion in current metadata approach Challenge: SPN's current focus on gaming preservation may require effort to redirect attention Next Steps Eleanor and Larry to finalize talking points for Tuesday's SPN Metadata Working Group presentation Continue preparations for fall 2025 online Interlisp event Await decision on Hicks conference paper submission Follow up with SPN after Tuesday's presentation to explore concrete collaboration opportunities

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[Paolo Amoroso]

The links I shared in the meeting:

• first GitHub activity of the Medley project
• first Lispcore post
• Repaint of ADDMENU menus in windows
• LOOPS method Window.ItemMenu

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[Fathom]

Meeting Purpose Weekly external Medley Interlisp project update and discussion Key Takeaways - Progress on documentation: Primer chapters, T-Edit docs, bibliography updates - XNS/Dodo exploration ongoing; challenges with documentation and setup - New contributors working on ports/packaging (e.g. Guix) - Historical Interlisp release info uncovered; needs incorporation into project docs Topics Documentation Updates - Abhik wrote new Primer chapters on T-Edit and Loops/Conditionals - T-Edit documentation scattered; needs consolidation/updating - Bill working on revamping bibliography structure - Larry found historical Interlisp release info (1982-1985) to be incorporated XNS and Dodo Exploration - Paolo seeking user-oriented XNS setup docs for Medley - Challenges: XNS was largely automatic, Dodo simulates but doesn't fully implement - Dodo has documentation but requires XNS knowledge; setup is tricky - Potential to invite Dodo author (Dev Hawala) to a meeting External Contributions and Ports - New contributor working on Guix package for Medley - Discussion on how to incorporate/link to external ports/packages - Need process to keep external packages updated with Medley releases Miscellaneous Updates - Ellie gave talk to Software Preservation Network; potential for collaboration on metadata - YouTube channel updates: new videos, proposed name/description changes - PERQ workstation emulator project discovered (running Spice Lisp) Next Steps - Ron and Larry to meet at 1 PM to discuss font subproject setup - Update project history/glossary with newly uncovered release info - Consider adding pointers to related projects (e.g. PERQ emulator) in docs - Explore potential collaboration with Software Preservation Network on metadata - Continue XNS/Dodo exploration; consider reaching out to Dev Hawala

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Meeting with Interlisp Medley Interlisp External weekly

July 09, 2025  •  97 mins  •  View Meeting or Ask Fathom Action Items ✨ Send T-Edit chapter to mailing list for review. Update Primer w/ current T-Edit doc reference. Abhik Hasnain Update GitHub issue w/ link to T-Edit manual on Google Drive. Review Dodo docs/examples for XNS setup. Paolo Amoroso Email Diane/Claire re: facilitating metadata working group meeting Eleanor Young Remove index.html files from font dirs. Add pointers to related projects (e.g. Perq emulator) in project docs. Larry Masinter-lisp Update GitHub issue w/ link to T-Edit manual on Google Drive. Review Dodo docs/examples for XNS setup. Paolo Amoroso Remove index.html files from font dirs. Add pointers to related projects (e.g. Perq emulator) in project docs. Larry Masinter-lisp Meeting Summary ✨ Meeting Purpose Weekly external Medley Interlisp project update and discussion Key Takeaways Progress on documentation: Primer chapters, T-Edit docs, bibliography updates XNS/Dodo exploration ongoing; challenges with documentation and setup New contributors working on ports/packaging (e.g. Guix) Historical Interlisp release info uncovered; needs incorporation into project docs Topics Documentation Updates Abhik wrote new Primer chapters on T-Edit and Loops/Conditionals T-Edit documentation scattered; needs consolidation/updating Bill working on revamping bibliography structure Larry found historical Interlisp release info (1982-1985) to be incorporated XNS and Dodo Exploration Paolo seeking user-oriented XNS setup docs for Medley Challenges: XNS was largely automatic, Dodo simulates but doesn't fully implement Dodo has documentation but requires XNS knowledge; setup is tricky Potential to invite Dodo author (Dev Hawala) to a meeting External Contributions and Ports New contributor working on Guix package for Medley Discussion on how to incorporate/link to external ports/packages Need process to keep external packages updated with Medley releases Miscellaneous Updates Ellie gave talk to Software Preservation Network; potential for collaboration on metadata YouTube channel updates: new videos, proposed name/description changes PERQ workstation emulator project discovered (running Spice Lisp) Next Steps Ron and Larry to meet at 1 PM to discuss font subproject setup Update project history/glossary with newly uncovered release info Consider adding pointers to related projects (e.g. PERQ emulator) in docs Explore potential collaboration with Software Preservation Network on metadata Continue XNS/Dodo exploration; consider reaching out to Dev Hawala

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways - Font management and cleanup efforts ongoing, with discussions on legacy naming conventions and potential submodule usage - Load-up functionality improvements implemented, including branch naming and GitInfo file creation - Discussions on improving system architecture, including potential use of Git submodules for better version control Topics Font Management and Cleanup - Ron working on cleaning up font directories and normalizing naming conventions - Discussions on legacy font naming and coercion mappings, considering removal of unused code - Potential use of Git submodules for font management discussed Load-up Functionality Improvements - Frank implemented changes to load-up process, including: - Branch names now appear in window titles - GitInfo file created during load-up, storing branch, commit, and git status information - Merged Matt's PR for load-up window title changes System Architecture and Git Submodules - Larry proposed using Git submodules for certain components (e.g., fonts, Mako, note cards) - Benefits discussed: better version control, easier management of dependencies - Concerns raised about potential complexity and build script adaptations needed Miscellaneous Development Updates - Herb fixed justification bug in HTML stream code related to space factor implementation - Nick working on renaming in Mako code for better clarity and correspondence with Lisp code - Paolo progressing on Lisp users cleanup, noting modules with loading/compiling issues Next Steps - Ron to review and potentially merge font-related PRs - Frank's load-up changes to be reviewed and merged - Further investigation into Git submodule implementation and necessary system adaptations - Continue ongoing development efforts (font management, Mako improvements, Lisp users cleanup) - Revisit macOS versions supported by GitHub actions for builds

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Meeting with Interlisp Medley Interlisp Implementation weekly July 14, 2025  •  103 mins  •  View Meeting or Ask Fathom Action Items ✨ Approve & merge Frank's PR #2200 (load-up changes) Ron Kaplan Review & approve Ron's PR #2203 (display font cleanup) Matt Heffron Consider tagging current master pre-font changes, decide whether to implement Ron Kaplan Review own PR #2203 (display font cleanup), decide on squash & merge, clean up commit msg if needed Ron Kaplan Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways Font management and cleanup efforts ongoing, with discussions on legacy naming conventions and potential submodule usage Load-up functionality improvements implemented, including branch naming and GitInfo file creation Discussions on improving system architecture, including potential use of Git submodules for better version control Topics Font Management and Cleanup Ron working on cleaning up font directories and normalizing naming conventions Discussions on legacy font naming and coercion mappings, considering removal of unused code Potential use of Git submodules for font management discussed Load-up Functionality Improvements Frank implemented changes to load-up process, including: Branch names now appear in window titles GitInfo file created during load-up, storing branch, commit, and git status information Merged Matt's PR for load-up window title changes System Architecture and Git Submodules Larry proposed using Git submodules for certain components (e.g., fonts, Mako, note cards) Benefits discussed: better version control, easier management of dependencies Concerns raised about potential complexity and build script adaptations needed Miscellaneous Development Updates Herb fixed justification bug in HTML stream code related to space factor implementation Nick working on renaming in Mako code for better clarity and correspondence with Lisp code Paolo progressing on Lisp users cleanup, noting modules with loading/compiling issues Next Steps Ron to review and potentially merge font-related PRs Frank's load-up changes to be reviewed and merged Further investigation into Git submodule implementation and necessary system adaptations Continue ongoing development efforts (font management, Mako improvements, Lisp users cleanup) Revisit macOS versions supported by GitHub actions for builds

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[Fathom]

Meeting Purpose Discuss ongoing Interlisp development efforts and project updates Key Takeaways - Ron Kaplan submitted a PR with font work checkpoint; testers needed to verify loadups succeed - Larry Masinter working on submodule support and documentation projects - Bill Stumbo fixing broken links on website; bibliography work ongoing - Paolo Amoroso researching early copy-paste functionality in Interlisp-D for social media discussion Topics Debugging and Break Package - Frank noted break package documentation in IRM is outdated; needs updating - Larry explained heuristics for break triggering: stack depth and time elapsed - Team agreed break package is critical and should be included in primer - Abhik to email list for clarification on break package functionality Bibliography and Website Updates - Herb spoke with Abe about Zotero questions: - Recommended using "extra" field for custom metadata - Suggested ISO 8601 for dates where possible - Advised generating Hugo input from bibliography data - Bill working on: - New "publication" document type in Hugo - CSS/HTML for sorting/filtering bibliography entries - Fixing broken links found by W3C link checker Font Work Progress - Ron submitted PR with font work checkpoint: - Rearranged files and sequences - Eliminated unbounded recursions - Added 2 new font format files for testing - Documentation added on changes and new file structure - Next phase: MCCS encoding and Unicode mapping work Historical Research - Paolo researching early copy-paste functionality in Interlisp-D (early 1980s) - Team discussed evolution from shift-select to clipboard model - Original Interlisp Primer rediscovered - much more extensive than current version Miscellaneous Updates - Larry working on submodule support in codebase - Herb contacted Stanford about e-pad email archival tool extension mechanism - Paolo shared Italian comedy clip related to beanbag chairs at PARC Next Steps - Test Ron's font PR, especially with BravoX files - Update IRM with new break package documentation - Continue work on bibliography page generation - Research and document early Interlisp-D UI features for social media - Follow up with Stanford on e-pad extension mechanism

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Meeting with Interlisp Medley Interlisp External weekly July 16, 2025  •  74 mins  •  View Meeting or Ask Fathom Action Items ✨ Contact Dev Hawala re Rodo via GitHub discussion, tag @Adzai Paolo Amoroso Add "Books and Publications" section to "What People Are Saying" page Paolo Amoroso Post follower Qs: 1) What did you discover later wish knew earlier? 2) Preferred Interlisp src file extension? Paolo Amoroso Continue MCCS encoding/recoding of Unicode mapping for font files Ron Kaplan PR fix broken links (esp. Educopia) + Hugo redirections from W3 link checker results Bill Stumbo Send Trillium video link to PARC alumni list Larry Masinter-lisp Meeting Summary ✨ Meeting Purpose Discuss ongoing Interlisp development efforts and project updates Key Takeaways Ron Kaplan submitted a PR with font work checkpoint; testers needed to verify loadups succeed Larry Masinter working on submodule support and documentation projects Bill Stumbo fixing broken links on website; bibliography work ongoing Paolo Amoroso researching early copy-paste functionality in Interlisp-D for social media discussion Topics Debugging and Break Package Frank noted break package documentation in IRM is outdated; needs updating Larry explained heuristics for break triggering: stack depth and time elapsed Team agreed break package is critical and should be included in primer Abhik to email list for clarification on break package functionality Bibliography and Website Updates Herb spoke with Abe about Zotero questions: Recommended using "extra" field for custom metadata Suggested ISO 8601 for dates where possible Advised generating Hugo input from bibliography data Bill working on: New "publication" document type in Hugo CSS/HTML for sorting/filtering bibliography entries Fixing broken links found by W3C link checker Font Work Progress Ron submitted PR with font work checkpoint: Rearranged files and sequences Eliminated unbounded recursions Added 2 new font format files for testing Documentation added on changes and new file structure Next phase: MCCS encoding and Unicode mapping work Historical Research Paolo researching early copy-paste functionality in Interlisp-D (early 1980s) Team discussed evolution from shift-select to clipboard model Original Interlisp Primer rediscovered - much more extensive than current version Miscellaneous Updates Larry working on submodule support in codebase Herb contacted Stanford about e-pad email archival tool extension mechanism Paolo shared Italian comedy clip related to beanbag chairs at PARC Next Steps Test Ron's font PR, especially with BravoX files Update IRM with new break package documentation Continue work on bibliography page generation Research and document early Interlisp-D UI features for social media Follow up with Stanford on e-pad extension mechanism

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues Key Takeaways - Character encoding and font handling issues are being addressed, with ongoing work to standardize on MCCS encoding - Code cleanup efforts continue, particularly in the Mako/GC code - T-Edit and Inspect Code functionality issues were identified and discussed - Work continues on cataloging and evaluating Lisp Users modules and other legacy code Topics Character Encoding and Font Handling - Ron is working on standardizing character encoding, proposing MCCS as the internal standard - Fonts now know their character encoding, helping identify mismatches - Discussions on handling different encodings for source files, T-Edit files, and programmatic output - Proposal to use MCCS for internal representation while maintaining compatibility with legacy encodings Code Cleanup and Refactoring - Nick has been cleaning up Mako/GC code, focusing on: - Removing magic numbers - Consistent naming conventions - Restructuring nested conditionals for readability - Changing global variables to static - Total changes: ~294 lines added, 188 lines removed across multiple small commits - Suggestion to create a PR for wider review, despite minimal functional changes T-Edit and Inspect Code Issues - Bug identified in Inspect Code functionality: - Scrolling stops working after clicking in the window - Window title changes unexpectedly - Process appears to come and go - Ron provided context on recent changes to edit session handling that may be related - Further investigation needed to resolve the issue Lisp Users Module Evaluation - Paolo completed first pass of Lisp Users module evaluation - Common issue: record path errors in modules that don't compile - Suggestion to add a "Does it work?" column to the spreadsheet - Discussion on how to handle and document module functionality issues Legacy Code Evaluation - Ongoing efforts to evaluate and categorize files in the "internal" directory - Mix of utilities, debugging tools, and miscellaneous code identified - Some files (e.g., T-Edit Color) may require significant work to integrate or update Next Steps - Nick to create a PR for the Mako/GC code changes for wider review - Paolo to add a "Does it work?" column to the Lisp Users module spreadsheet - Continue investigation into T-Edit and Inspect Code functionality issues - Further evaluate and categorize legacy code in the "internal" directory - Consider creating a modern "briefing blurb" to help new contributors get up to speed - Explore options for finding interns to assist with various tasks

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Meeting with Interlisp Medley Interlisp Implementation weekly July 21, 2025  •  105 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting

Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues

Key Takeaways Character encoding and font handling issues are being addressed, with ongoing work to standardize on MCCS encoding Code cleanup efforts continue, particularly in the Mako/GC code T-Edit and Inspect Code functionality issues were identified and discussed Work continues on cataloging and evaluating Lisp Users modules and other legacy code Topics Character Encoding and Font Handling Ron is working on standardizing character encoding, proposing MCCS as the internal standard Fonts now know their character encoding, helping identify mismatches Discussions on handling different encodings for source files, T-Edit files, and programmatic output Proposal to use MCCS for internal representation while maintaining compatibility with legacy encodings Code Cleanup and Refactoring Nick has been cleaning up Mako/GC code, focusing on: Removing magic numbers Consistent naming conventions Restructuring nested conditionals for readability Changing global variables to static Total changes: ~294 lines added, 188 lines removed across multiple small commits Suggestion to create a PR for wider review, despite minimal functional changes T-Edit and Inspect Code Issues Bug identified in Inspect Code functionality: Scrolling stops working after clicking in the window Window title changes unexpectedly Process appears to come and go Ron provided context on recent changes to edit session handling that may be related Further investigation needed to resolve the issue Lisp Users Module Evaluation Paolo completed first pass of Lisp Users module evaluation Common issue: record path errors in modules that don't compile Suggestion to add a "Does it work?" column to the spreadsheet Discussion on how to handle and document module functionality issues Legacy Code Evaluation Ongoing efforts to evaluate and categorize files in the "internal" directory Mix of utilities, debugging tools, and miscellaneous code identified Some files (e.g., T-Edit Color) may require significant work to integrate or update Next Steps Nick to create a PR for the Mako/GC code changes for wider review Paolo to add a "Does it work?" column to the Lisp Users module spreadsheet Continue investigation into T-Edit and Inspect Code functionality issues Further evaluate and categorize legacy code in the "internal" directory Consider creating a modern "briefing blurb" to help new contributors get up to speed Explore options for finding interns to assist with various tasks View Meeting →

[Fathom]

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates, technical issues, and coordination among team members. Key Takeaways - Richard Burton, former Interlisp-D team member, joined the meeting and shared his background in educational software development - Team discussed ongoing work on font handling, bibliography management, and various technical improvements to Medley - Challenges with getting started using Medley were highlighted, prompting discussion on improving documentation and onboarding Topics New Team Member Introduction - Richard Burton introduced himself as former Interlisp-D team member (1978-1989) - Worked on window package, sketch tool, and educational software at Xerox PARC - Developed systems like SOFI, Buggy, and a 16-week Navy training course Medley Technical Updates - Nick fixed issues with find-first/find-last-set functions for Linux compatibility - Ron working on Interpress font machinery and display font interfaces - Matt scanned original e-mice manual (60MB PDF) - Ongoing efforts to support Unicode and improve font handling Documentation and Onboarding - Ellie working on bibliography intake guide and uploading historical videos to YouTube - Discussion on improving primer and documentation for new users - Richard highlighted difficulties getting started with Medley, prompting team to consider improvements Project Infrastructure - Debate on rethinking two-level directory convention due to inconsistent implementation - Discussion on packaging Medley for FreeBSD ports system - Consideration of creating an easier "Interlisp mode" startup option Community Engagement - Paolo shared social media updates, including interest from FreeBSD community - Team discussed potential for packaging Medley for easier installation on FreeBSD Next Steps - Ron to send Richard a simple init file example for getting started - Bill to add screenshots of bibliography examples to GitHub issue #2104 - Larry to update FreeBSD wiki entry with link to GitHub repo - Team to consider improvements to documentation and onboarding process - Explore packaging Medley for FreeBSD ports system

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Meeting with Interlisp Medley Interlisp External weekly July 23, 2025  •  104 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly external Medley Interlisp meeting to discuss project updates, technical issues, and coordination among team members. Key Takeaways Richard Burton, former Interlisp-D team member, joined the meeting and shared his background in educational software development Team discussed ongoing work on font handling, bibliography management, and various technical improvements to Medley Challenges with getting started using Medley were highlighted, prompting discussion on improving documentation and onboarding Topics New Team Member Introduction Richard Burton introduced himself as former Interlisp-D team member (1978-1989) Worked on window package, sketch tool, and educational software at Xerox PARC Developed systems like SOFI, Buggy, and a 16-week Navy training course Medley Technical Updates Nick fixed issues with find-first/find-last-set functions for Linux compatibility Ron working on Interpress font machinery and display font interfaces Matt scanned original e-mice manual (60MB PDF) Ongoing efforts to support Unicode and improve font handling Documentation and Onboarding Ellie working on bibliography intake guide and uploading historical videos to YouTube Discussion on improving primer and documentation for new users Richard highlighted difficulties getting started with Medley, prompting team to consider improvements Project Infrastructure Debate on rethinking two-level directory convention due to inconsistent implementation Discussion on packaging Medley for FreeBSD ports system Consideration of creating an easier "Interlisp mode" startup option Community Engagement Paolo shared social media updates, including interest from FreeBSD community Team discussed potential for packaging Medley for easier installation on FreeBSD Next Steps Ron to send Richard a simple init file example for getting started Bill to add screenshots of bibliography examples to GitHub issue #2104 Larry to update FreeBSD wiki entry with link to GitHub repo Team to consider improvements to documentation and onboarding process Explore packaging Medley for FreeBSD ports system View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues Key Takeaways - HTML stream implementation is close to being ready for inclusion in loadups, but some font-related changes are still needed - There are 540 open GitHub issues, many of which may be resolved but not closed - team should review and close resolved issues - Significant ongoing work on font handling, character encodings, and file name representations to improve Unicode support - Discussions on how to improve documentation and explanations of complex topics like character encoding for new contributors Topics HTML Stream Implementation - Herb has made progress on HTML stream implementation, close to being ready for inclusion in loadups - Some font-related changes still needed, including updating calls to use new font create function with stream device argument - Larry wants to get HTML stream into loadups soon, even if some open issues remain T-Edit and Paragraph Formatting Issues - Herb investigating issues with T-Edit paragraph formatting and indentation - Ron explained some historical quirks with T-Edit's handling of paragraph looks and page numbers - Discussed potential fixes for issues like incorrect indentation of first line when printing GitHub Issue Management - 540 open issues, ~100 from this year - many likely resolved but not closed - Team should review their own issues and close any that have been resolved - Discussed process for verifying and closing issues, including linking PRs to issues Font Handling and Character Encoding - Ron working on improving font infrastructure, especially for handling different character encodings - Aiming to establish MCCS (extended GOTCHA) as standard internal encoding, with mappings to other encodings - Challenges discussed around handling file names with Unicode characters across different OS encodings - Goal is to improve system to be more understandable for new contributors Interpress Font Work - Ron cleaned up Interpress code for handling fonts with different character mappings - Working on establishing consistent naming and functions for character mapping/translation File System and Unicode Handling - Discussed challenges of handling Unicode file names across different operating systems - Debated whether to handle encoding conversion in Lisp or C code - Considered trade-offs of different approaches for representing file names internally Open Pull Requests - Discussed PR #2216 for font infrastructure changes - PR #107 for modernizing button event handling ready for approval - Team encouraged to test changes, especially font-related ones, before next meeting Next Steps - Team members to review their open GitHub issues and close any that are resolved - Ron to continue work on font handling and character encoding improvements - Nick to investigate and potentially fix Lafitte mail file repair UI issues - Team to test PR #2216 (font changes) thoroughly before next meeting - Larry to review HC files results with merged open PRs

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Meeting with Interlisp Medley Interlisp Implementation weekly July 28, 2025  •  124 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues Key Takeaways HTML stream implementation is close to being ready for inclusion in loadups, but some font-related changes are still needed There are 540 open GitHub issues, many of which may be resolved but not closed - team should review and close resolved issues Significant ongoing work on font handling, character encodings, and file name representations to improve Unicode support Discussions on how to improve documentation and explanations of complex topics like character encoding for new contributors Topics HTML Stream Implementation Herb has made progress on HTML stream implementation, close to being ready for inclusion in loadups Some font-related changes still needed, including updating calls to use new font create function with stream device argument Larry wants to get HTML stream into loadups soon, even if some open issues remain T-Edit and Paragraph Formatting Issues Herb investigating issues with T-Edit paragraph formatting and indentation Ron explained some historical quirks with T-Edit's handling of paragraph looks and page numbers Discussed potential fixes for issues like incorrect indentation of first line when printing GitHub Issue Management 540 open issues, ~100 from this year - many likely resolved but not closed Team should review their own issues and close any that have been resolved Discussed process for verifying and closing issues, including linking PRs to issues Font Handling and Character Encoding Ron working on improving font infrastructure, especially for handling different character encodings Aiming to establish MCCS (extended GOTCHA) as standard internal encoding, with mappings to other encodings Challenges discussed around handling file names with Unicode characters across different OS encodings Goal is to improve system to be more understandable for new contributors Interpress Font Work Ron cleaned up Interpress code for handling fonts with different character mappings Working on establishing consistent naming and functions for character mapping/translation File System and Unicode Handling Discussed challenges of handling Unicode file names across different operating systems Debated whether to handle encoding conversion in Lisp or C code Considered trade-offs of different approaches for representing file names internally Open Pull Requests Discussed PR #2216 for font infrastructure changes PR #107 for modernizing button event handling ready for approval Team encouraged to test changes, especially font-related ones, before next meeting Next Steps Team members to review their open GitHub issues and close any that are resolved Ron to continue work on font handling and character encoding improvements Nick to investigate and potentially fix Lafitte mail file repair UI issues Team to test PR #2216 (font changes) thoroughly before next meeting Larry to review HC files results with merged open PRs View Meeting →

[Fathom]

Meeting Purpose Weekly update on Medley Interlisp external development progress and discussions Key Takeaways - Bibliography intake process being refined and tested by Paolo and Ellie - Several legacy programs (URISCO, Truckin') being investigated for compatibility with modern Medley - Ongoing cleanup of LispUsers and open issues in the project Topics Bibliography Updates - Ellie working on bibliography intake process and YouTube video uploads - Bill shared update on landing pages for bibliography entries with new sorting/grouping options - Paolo to test bibliography entry process as both internal and external contributor Website Cleanup - Get Involved page to be updated, including clarification on external community platforms - Weird behavior with U-Block Origin hiding "socials" section to be investigated Legacy Program Compatibility - Stephen working on getting URISCO and Truckin' running in modern Medley - Challenges with read tables and environment differences between original and current systems - Nick able to get URISCO partially running after some variable adjustments MasterScope Modernization - Discussion on improving MasterScope's ability to analyze Common Lisp code - Current "basic" Common Lisp support may not cover all needed use cases (e.g. finding SETF calls) - Larry mentioned previous unfinished work to improve MasterScope/Common Lisp integration Ongoing Cleanup Efforts - Matt working on resolving warnings and errors in system load process - Paolo continuing second pass of LispUsers cleanup - Several open issues identified as potentially closeable with some work Next Steps - Paolo to submit PR for Get Involved page cleanup - Paolo and Matt to test bibliography entry process using Ellie's instructions - Stephen to continue investigating/documenting URISCO and Truckin' compatibility - Herb to open feature request for improved MasterScope Common Lisp analysis - Team to continue addressing open issues and LispUsers cleanup

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Meeting with Interlisp Medley Interlisp External weekly July 30, 2025  •  91 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly update on Medley Interlisp external development progress and discussions Key Takeaways Bibliography intake process being refined and tested by Paolo and Ellie Several legacy programs (URISCO, Truckin') being investigated for compatibility with modern Medley Ongoing cleanup of LispUsers and open issues in the project Topics Bibliography Updates Ellie working on bibliography intake process and YouTube video uploads Bill shared update on landing pages for bibliography entries with new sorting/grouping options Paolo to test bibliography entry process as both internal and external contributor Website Cleanup Get Involved page to be updated, including clarification on external community platforms Weird behavior with U-Block Origin hiding "socials" section to be investigated Legacy Program Compatibility Stephen working on getting URISCO and Truckin' running in modern Medley Challenges with read tables and environment differences between original and current systems Nick able to get URISCO partially running after some variable adjustments MasterScope Modernization Discussion on improving MasterScope's ability to analyze Common Lisp code Current "basic" Common Lisp support may not cover all needed use cases (e.g. finding SETF calls) Larry mentioned previous unfinished work to improve MasterScope/Common Lisp integration Ongoing Cleanup Efforts Matt working on resolving warnings and errors in system load process Paolo continuing second pass of LispUsers cleanup Several open issues identified as potentially closeable with some work Next Steps Paolo to submit PR for Get Involved page cleanup Paolo and Matt to test bibliography entry process using Ellie's instructions Stephen to continue investigating/documenting URISCO and Truckin' compatibility Herb to open feature request for improved MasterScope Common Lisp analysis Team to continue addressing open issues and LispUsers cleanup View Meeting →

[Fathom]

Meeting Purpose Weekly implementation meeting for Medley Interlisp project Key Takeaways - Discussed font handling improvements, including ligatures and diacritics - Reviewed progress on HTML stream and file output capabilities - Addressed challenges with preserving legacy fonts and character encodings - Planned next steps for documentation updates and code cleanup Topics Font Handling Improvements - Ron proposed making all text fonts use MCCS (Medley Character Code Standard) for consistency - Discussed handling of ligatures and diacritics, potentially at T-Edit level rather than in fonts - Explored options for preserving legacy fonts while improving Unicode compatibility - Matt found BDF versions of some Xerox fonts from 1991 that could help fill gaps HTML Output Enhancements - Herb working on fixes for HTML stream to improve page layout handling - Goal is to generate HTML, PostScript and PDF outputs from same source - Discussed adding HTML output for additional file types like font samples Documentation Updates - Need to expand glossary with Interlisp-specific terms and jargon - Considering different "trails" through primer for users with varied backgrounds - Will add explanations of debugging concepts, relating to modern tools Code Cleanup and Maintenance - Matt improved error handling in "where is" command - Frank has scripts to "thin" old versions of files in build directories - Discussed process for reviewing and merging pending pull requests Vintage Computer Fair Report - Larry attended briefly, made contacts with Lisp machine enthusiasts - Potential to collaborate with Interim Computer Museum on virtual exhibits Next Steps - Herb to finish testing and release HTML stream improvements - Ron to continue work on EditFont capabilities - Expand documentation glossary and primer content - Review and merge pending pull requests - Follow up with Interim Computer Museum on potential collaboration

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Meeting with Interlisp Medley Interlisp Implementation weekly August 04, 2025  •  331 mins  •  View Meeting or Ask Fathom Action Items ✨ Review Matt's changes to "where is" function in loadout box Frank Halasz Test HTML stream, push new version, notify team Herb Jellinek Meeting Summary ✨ Meeting Purpose Weekly implementation meeting for Medley Interlisp project Key Takeaways Discussed font handling improvements, including ligatures and diacritics Reviewed progress on HTML stream and file output capabilities Addressed challenges with preserving legacy fonts and character encodings Planned next steps for documentation updates and code cleanup Topics Font Handling Improvements Ron proposed making all text fonts use MCCS (Medley Character Code Standard) for consistency Discussed handling of ligatures and diacritics, potentially at T-Edit level rather than in fonts Explored options for preserving legacy fonts while improving Unicode compatibility Matt found BDF versions of some Xerox fonts from 1991 that could help fill gaps HTML Output Enhancements Herb working on fixes for HTML stream to improve page layout handling Goal is to generate HTML, PostScript and PDF outputs from same source Discussed adding HTML output for additional file types like font samples Documentation Updates Need to expand glossary with Interlisp-specific terms and jargon Considering different "trails" through primer for users with varied backgrounds Will add explanations of debugging concepts, relating to modern tools Code Cleanup and Maintenance Matt improved error handling in "where is" command Frank has scripts to "thin" old versions of files in build directories Discussed process for reviewing and merging pending pull requests Vintage Computer Fair Report Larry attended briefly, made contacts with Lisp machine enthusiasts Potential to collaborate with Interim Computer Museum on virtual exhibits Next Steps Herb to finish testing and release HTML stream improvements Ron to continue work on EditFont capabilities Expand documentation glossary and primer content Review and merge pending pull requests Follow up with Interim Computer Museum on potential collaboration

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[Fathom]

Meeting Purpose Weekly status update and discussion on Medley Interlisp project progress and issues Key Takeaways - Website redesign needed to better highlight news/updates; considering hiring a designer - Ongoing work on file naming conventions, package conflicts, and bibliography integration - Progress on PDF output improvements and exploring PDF vs PostScript capabilities - Continued efforts on documentation, debugging, and running legacy Interlisp programs Topics Website Design and News Updates - Current homepage design makes it difficult to highlight news/updates - Considering hiring a designer to improve layout and user experience - Matt's daughter (UI/UX background) may be able to provide a quote - Goal is to keep Hugo framework but improve element arrangement File Naming and Organization - Ongoing discussion about renaming files with extensions (e.g. .medley, .interlisp, .il) - Concerns raised about breaking historical context by renaming - Proposal to use subdirectories instead of renaming, update whereis database - Package conflicts remain an issue when files have same names in different directories Bibliography and Documentation - New bibliography entries added (e.g. E-Mycin manual, Essential Lisp book) - Bill working on simplified version of bibliography integration - Herb helping new user (Abic) document common Interlisp pitfalls for primer - Steve continuing work on URISCO, Trucking, STRADS documentation PDF and PostScript Improvements - Matt investigating PDF standard, found ways to handle ligatures and improve searchability - PDF uses quadratic curves vs PostScript's cubic splines, may require conversion - Potential to embed OpenType fonts directly in PDF output Legacy Program Debugging - Steve encountering URAID debugger issues with STRADS program - Ron provided guidance on useful URAID commands (LU, H) for debugging Miscellaneous Updates - Frank improving load-up thinning functionality, renaming "branch" to avoid Git confusion - Larry attended Vintage Computer Festival, made contacts for potential collaboration - Paolo completed second pass of Lisp Users cleanup review, to be discussed next meeting Next Steps - Matt to ask his daughter for website redesign quote - Paolo to submit PR for adding recent YouTube videos to news page - Investigate RSS feed issues on website - Continue discussions on file naming/organization approach - Review Lisp Users cleanup findings at next Monday's meeting - Ongoing work on documentation, debugging, and legacy program restoration

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Meeting with Interlisp Medley Interlisp External weekly August 06, 2025  •  108 mins  •  View Meeting or Ask Fathom Action Items ✨ Submit PR to add YouTube video links since May to news/status page Paolo Amoroso Ask daughter to review Interlisp.org site design, provide quote Matt Heffron Review new Notecards manual v2, consider adding to repo Frank Halasz Investigate why RSS feed not updating, fix if broken Bill Stumbo Rename 'branch' to 'tag' or similar in load up commands Frank Halasz Implement simple version of bibliography with individual markdown files Bill Stumbo Investigate feasibility of converting PostScript stream to PDF stream Matt Heffron Discuss Lisp users' cleanup review data next Monday Larry Masinter-lisp Meeting Summary ✨ Meeting Purpose Weekly status update and discussion on Medley Interlisp project progress and issues Key Takeaways Website redesign needed to better highlight news/updates; considering hiring a designer Ongoing work on file naming conventions, package conflicts, and bibliography integration Progress on PDF output improvements and exploring PDF vs PostScript capabilities Continued efforts on documentation, debugging, and running legacy Interlisp programs Topics Website Design and News Updates Current homepage design makes it difficult to highlight news/updates Considering hiring a designer to improve layout and user experience Matt's daughter (UI/UX background) may be able to provide a quote Goal is to keep Hugo framework but improve element arrangement File Naming and Organization Ongoing discussion about renaming files with extensions (e.g. .medley, .interlisp, .il) Concerns raised about breaking historical context by renaming Proposal to use subdirectories instead of renaming, update whereis database Package conflicts remain an issue when files have same names in different directories Bibliography and Documentation New bibliography entries added (e.g. E-Mycin manual, Essential Lisp book) Bill working on simplified version of bibliography integration Herb helping new user (Abic) document common Interlisp pitfalls for primer Steve continuing work on URISCO, Trucking, STRADS documentation PDF and PostScript Improvements Matt investigating PDF standard, found ways to handle ligatures and improve searchability PDF uses quadratic curves vs PostScript's cubic splines, may require conversion Potential to embed OpenType fonts directly in PDF output Legacy Program Debugging Steve encountering URAID debugger issues with STRADS program Ron provided guidance on useful URAID commands (LU, H) for debugging Miscellaneous Updates Frank improving load-up thinning functionality, renaming "branch" to avoid Git confusion Larry attended Vintage Computer Festival, made contacts for potential collaboration Paolo completed second pass of Lisp Users cleanup review, to be discussed next meeting Next Steps Matt to ask his daughter for website redesign quote Paolo to submit PR for adding recent YouTube videos to news page Investigate RSS feed issues on website Continue discussions on file naming/organization approach Review Lisp Users cleanup findings at next Monday's meeting Ongoing work on documentation, debugging, and legacy program restoration

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation team meeting to discuss ongoing development work and issues. Key Takeaways - RMK 103 PR (font interface changes) approved for merge after resolving a compilation issue - New loadup script with "tag" terminology and "thin" command approved (PR 2249) - Ongoing work on font handling, PostScript/PDF output, and potential color display support - Need to carefully review files not in loadup to determine if they should be moved/obsoleted Topics RMK 103 PR Review and Merge - Large PR with 52 files changed, focused on font interface updates and load sequence changes - Initially had a compilation issue with PLUX undefined function, resolved by pushing updated t-edit-looks files - Approved for merge after fixing and testing Loadup Script Updates - Frank's PR (2249) changes "branch" terminology to "tag" for consistency - New "thin" command added to clean up both working directory and loadups directory - "thin plus" option added to completely delete a tagged loadup - Approved for merge Font and Character Set Handling - Ron working on device-independent font handling improvements - Discussions around character set coercion and handling of non-existent characters - Plans to move coercion functions out of Interpress into new MCCS (Unicode-related) file PostScript/PDF Output Improvements - Matt investigating using standard PostScript glyphs for ligatures/fractions instead of custom drawing - Considering direct PDF generation, optimizing glyph usage across document Potential Color Display Support - Nick considering resurrecting color display support as separate X window - Would expose more Medley code (color blitz, colorized fonts, etc.) - Simpler than expanding main display bitmap size Review of Unused Source Files - Discussed files in sources not used by any loadup - Need to carefully evaluate each for potential move to library, internal, or obsolete - Japanese character encoding file should be moved to library, not obsoleted Next Steps - Merge approved PRs (RMK 103, loadup script updates) - Continue work on font/character set improvements - Investigate color display resurrection - Review unused source files for appropriate categorization - Matt to be less available due to family situation

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Meeting with Interlisp Medley Interlisp Implementation weekly August 11, 2025  •  135 mins  •  View Meeting or Ask Fathom Action Items ✨ Continue list users cleanup, extend to library & sources dirs Paolo Amoroso Investigate & fix PLUX undefined function error in RMK 103 PR Ron Kaplan Review & test Frank's loadup script PR (2249) Nick Briggs Update loadup script PR - add --help, -h aliases for man page, implement 'Z+' option to bypass pager Frank Halasz Test RMK 103 PR after Ron's fix, merge if no issues Nick Briggs Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation team meeting to discuss ongoing development work and issues. Key Takeaways RMK 103 PR (font interface changes) approved for merge after resolving a compilation issue New loadup script with "tag" terminology and "thin" command approved (PR 2249) Ongoing work on font handling, PostScript/PDF output, and potential color display support Need to carefully review files not in loadup to determine if they should be moved/obsoleted Topics RMK 103 PR Review and Merge Large PR with 52 files changed, focused on font interface updates and load sequence changes Initially had a compilation issue with PLUX undefined function, resolved by pushing updated t-edit-looks files Approved for merge after fixing and testing Loadup Script Updates Frank's PR (2249) changes "branch" terminology to "tag" for consistency New "thin" command added to clean up both working directory and loadups directory "thin plus" option added to completely delete a tagged loadup Approved for merge Font and Character Set Handling Ron working on device-independent font handling improvements Discussions around character set coercion and handling of non-existent characters Plans to move coercion functions out of Interpress into new MCCS (Unicode-related) file PostScript/PDF Output Improvements Matt investigating using standard PostScript glyphs for ligatures/fractions instead of custom drawing Considering direct PDF generation, optimizing glyph usage across document Potential Color Display Support Nick considering resurrecting color display support as separate X window Would expose more Medley code (color blitz, colorized fonts, etc.) Simpler than expanding main display bitmap size Review of Unused Source Files Discussed files in sources not used by any loadup Need to carefully evaluate each for potential move to library, internal, or obsolete Japanese character encoding file should be moved to library, not obsoleted Next Steps Merge approved PRs (RMK 103, loadup script updates) Continue work on font/character set improvements Investigate color display resurrection Review unused source files for appropriate categorization Matt to be less available due to family situation

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[Fathom]

Meeting Purpose Weekly Medley Interlisp External meeting to discuss ongoing development and issues Key Takeaways - MCCS character encoding defined as XCCS with 3 key swaps: underscore/left arrow, circumflex/up arrow, currency/dollar sign - RSS feed not updating for changes to index.md files, needs investigation - File naming and Unicode handling challenges identified, especially for non-ASCII characters Topics Video Documentation Updates - Eleanor uploaded remaining InterlispD-tagged videos to YouTube channel - Paper converted to single-column format, to be shared later - Discussed reviewing email archives for historical information Open Documentation Issues - Issue #2063: Typo in Medley script man page to be fixed - Issue #2017: Copy scanned manuals (T-Edit, Sketch, Medley for DOS) to main repo Glossary Additions - New entries to be added: break package, briefing blurb, display (as in display-oriented editor) - Suggestion to link to original jargon file (Paul Durish's version) RSS Feed Issues - RSS not detecting changes to index.md files, including news/status page - Bill investigating underlying issues with feed generation MCCS Character Encoding Definition - Defined MCCS as XCCS with three key character swaps: 1. Underscore and left arrow 2. Circumflex and up arrow 3. Currency symbol and dollar sign - Discussed implications for legacy data and potential issues with searching/displaying certain characters File Naming and Unicode Handling - Identified challenges with handling non-ASCII characters in filenames - Discussed potential solutions: - Creating a ":filename" external format - Implementing translation functions in MAKO or Lisp side - Considering normalization of Unicode characters for consistent file naming Font and Character Representation - Discussed handling of emojis and other Unicode characters not in original XCCS - Considered mapping strategies for extended character sets - Debated representation of control characters and potential font requirements Next Steps - Eleanor to coordinate with Paolo on reviewing email archives - Paolo to submit PR for new glossary entries - Bill to investigate RSS feed issues further - Ron to implement agreed-upon MCCS definition in code - Team to consider implementation of filename handling and Unicode support in MAKO/Lisp interface

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Meeting with Interlisp Medley Interlisp External weekly August 13, 2025  •  132 mins  •  View Meeting or Ask Fathom Action Items ✨ Fix typo in Medley.1.md man page (geometry misspelling) and run publishing steps Larry Masinter-lisp Review and attach missing PDFs to Zotero entries for 3 documents (Notes on Medley test, automated test harness interfaces, XAIS testing directory structure) Eleanor Young Submit PR for new glossary entries (break package, briefing blurb, display) + link to original jargon file Paolo Amoroso Investigate why RSS feed not updating for index.md changes (e.g. YouTube videos, IEEE paper additions) Bill Stumbo Implement MCCS definition (XCCS with 3 swaps - underscore/left arrow, circumflex/up arrow, currency/dollar sign) Ron Kaplan Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp External meeting to discuss ongoing development and issues Key Takeaways MCCS character encoding defined as XCCS with 3 key swaps: underscore/left arrow, circumflex/up arrow, currency/dollar sign RSS feed not updating for changes to index.md files, needs investigation File naming and Unicode handling challenges identified, especially for non-ASCII characters Topics Video Documentation Updates Eleanor uploaded remaining InterlispD-tagged videos to YouTube channel Paper converted to single-column format, to be shared later Discussed reviewing email archives for historical information Open Documentation Issues Issue #2063: Typo in Medley script man page to be fixed Issue #2017: Copy scanned manuals (T-Edit, Sketch, Medley for DOS) to main repo Glossary Additions New entries to be added: break package, briefing blurb, display (as in display-oriented editor) Suggestion to link to original jargon file (Paul Durish's version) RSS Feed Issues RSS not detecting changes to index.md files, including news/status page Bill investigating underlying issues with feed generation MCCS Character Encoding Definition Defined MCCS as XCCS with three key character swaps: Underscore and left arrow Circumflex and up arrow Currency symbol and dollar sign Discussed implications for legacy data and potential issues with searching/displaying certain characters File Naming and Unicode Handling Identified challenges with handling non-ASCII characters in filenames Discussed potential solutions: Creating a ":filename" external format Implementing translation functions in MAKO or Lisp side Considering normalization of Unicode characters for consistent file naming Font and Character Representation Discussed handling of emojis and other Unicode characters not in original XCCS Considered mapping strategies for extended character sets Debated representation of control characters and potential font requirements Next Steps Eleanor to coordinate with Paolo on reviewing email archives Paolo to submit PR for new glossary entries Bill to investigate RSS feed issues further Ron to implement agreed-upon MCCS definition in code Team to consider implementation of filename handling and Unicode support in MAKO/Lisp interface

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways - Online Interlisp (OIO) server was down but has been restarted and is now functioning - Ron is working on font handling improvements, encountering some challenges with compile-time constants - Nick is close to having a PR ready for Mako file system code changes - Matt's daughter may be able to assist with website improvements Topics OIO Server Issues - Frank restarted the OIO web server after it was found to be down - Both main and dev systems were affected, reason unknown - Logs will be examined to determine the cause of the outage Font Handling Improvements - Ron is working on creating a cleaner interface for manipulating glyphs, widths, and font coercion - Introduced concept of "font spec" as an abstraction for font properties - Encountering issues with compile-time constants, specifically MAX-CHARSET - Discussed potential impacts on Mako code and T-Edit display handling Mako File System Changes - Nick is close to having a PR ready for Mako file system code changes - Will try to have something available for experimentation while he's away for 4 weeks Website Improvements - Matt's daughter may be able to assist with website improvements - She needs additional clients to set up an LLC, so could potentially work for minimal compensation - Further discussion needed to determine availability and scheduling Miscellaneous Updates - Larry tested positive for COVID but is feeling better - Ryan Burnside will join a future meeting when available - Google Meet introduced a new full-screen layout for shared screens Next Steps - Frank to investigate logs for cause of OIO server outage - Ron to continue work on font handling improvements, addressing compile-time constant issues - Nick to prepare PR for Mako file system changes before his trip - Matt to coordinate with his daughter regarding potential website work - Schedule meeting with Matt's daughter to discuss website improvement needs

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Meeting with Interlisp Medley Interlisp Implementation weekly August 18, 2025  •  88 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting

Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways Online Interlisp (OIO) server was down but has been restarted and is now functioning Ron is working on font handling improvements, encountering some challenges with compile-time constants Nick is close to having a PR ready for Mako file system code changes Matt's daughter may be able to assist with website improvements Topics OIO Server Issues Frank restarted the OIO web server after it was found to be down Both main and dev systems were affected, reason unknown Logs will be examined to determine the cause of the outage Font Handling Improvements Ron is working on creating a cleaner interface for manipulating glyphs, widths, and font coercion Introduced concept of "font spec" as an abstraction for font properties Encountering issues with compile-time constants, specifically MAX-CHARSET Discussed potential impacts on Mako code and T-Edit display handling Mako File System Changes Nick is close to having a PR ready for Mako file system code changes Will try to have something available for experimentation while he's away for 4 weeks Website Improvements Matt's daughter may be able to assist with website improvements She needs additional clients to set up an LLC, so could potentially work for minimal compensation Further discussion needed to determine availability and scheduling Miscellaneous Updates Larry tested positive for COVID but is feeling better Ryan Burnside will join a future meeting when available Google Meet introduced a new full-screen layout for shared screens Next Steps Frank to investigate logs for cause of OIO server outage Ron to continue work on font handling improvements, addressing compile-time constant issues Nick to prepare PR for Mako file system changes before his trip Matt to coordinate with his daughter regarding potential website work Schedule meeting with Matt's daughter to discuss website improvement needs View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps Key Takeaways - Font code refactoring underway to improve device independence and consistency - Issues with HC files and WHEREIS database functionality identified - Historical insights on Interlisp name origin and early development shared - Interim Computer Museum planning Interlisp exhibit Topics Health and Personal Updates - Larry and Herb recovered from recent illnesses - Matt's mother passed away recently; condolences expressed Font System Refactoring - Ron working on making font interfaces more device-independent - Cleaning up inconsistencies in font specification methods - Goal: Simplify font handling across different output devices (display, PostScript, etc.) - Addressing challenges with "slug" characters and font inheritance HC Files and WHEREIS Issues - Problems identified with HC files functionality and WHEREIS database - Specific error occurring when trying to locate image objects (e.g., hrule.getfun) - Frank investigating discrepancies between local and GitHub Actions behavior Interlisp History - Paolo found 1978 IRM reference to Interlisp name origin (emphasizing "interactive" aspect) - Discussion on multiple potential meanings of "Inter" in Interlisp (interactive, inter-machine, etc.) - Recollections of early Interlisp development at PARC and BBN (circa 1971-1973) Interim Computer Museum Exhibit - Larry made donation for Interlisp exhibit development - Museum planning dedicated workstation to run Medley and host documentation - Potential to showcase early Interlisp on PDP-10 systems Online Interlisp (OIO) Updates - Frank addressing issues with direct URL access - Build problems related to Cloud9 IDE integration; may remove it from dev version Miscellaneous - Nick reported display glitches during Medley load-up (not replicated by others) - Historical anecdote about first IP packet transmission from Rosati's Alpine Inn ("Zott's") Next Steps - Ron to continue font system refactoring and documentation - Frank to investigate HC files and WHEREIS database issues offline - Larry and Herb to discuss Ellie's tasks through December - Team to keep an eye out for load-up display glitches reported by Nick - Consider developing API for better error handling and reporting in Interlisp

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Meeting with Interlisp Medley Interlisp Implementation weekly

August 25, 2025  •  81 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps Key Takeaways Font code refactoring underway to improve device independence and consistency Issues with HC files and WHEREIS database functionality identified Historical insights on Interlisp name origin and early development shared Interim Computer Museum planning Interlisp exhibit Topics Health and Personal Updates Larry and Herb recovered from recent illnesses Matt's mother passed away recently; condolences expressed Font System Refactoring Ron working on making font interfaces more device-independent Cleaning up inconsistencies in font specification methods Goal: Simplify font handling across different output devices (display, PostScript, etc.) Addressing challenges with "slug" characters and font inheritance HC Files and WHEREIS Issues Problems identified with HC files functionality and WHEREIS database Specific error occurring when trying to locate image objects (e.g., hrule.getfun) Frank investigating discrepancies between local and GitHub Actions behavior Interlisp History Paolo found 1978 IRM reference to Interlisp name origin (emphasizing "interactive" aspect) Discussion on multiple potential meanings of "Inter" in Interlisp (interactive, inter-machine, etc.) Recollections of early Interlisp development at PARC and BBN (circa 1971-1973) Interim Computer Museum Exhibit Larry made donation for Interlisp exhibit development Museum planning dedicated workstation to run Medley and host documentation Potential to showcase early Interlisp on PDP-10 systems Online Interlisp (OIO) Updates Frank addressing issues with direct URL access Build problems related to Cloud9 IDE integration; may remove it from dev version Miscellaneous Nick reported display glitches during Medley load-up (not replicated by others) Historical anecdote about first IP packet transmission from Rosati's Alpine Inn ("Zott's") Next Steps Ron to continue font system refactoring and documentation Frank to investigate HC files and WHEREIS database issues offline Larry and Herb to discuss Ellie's tasks through December Team to keep an eye out for load-up display glitches reported by Nick Consider developing API for better error handling and reporting in Interlisp View Meeting →

[Fathom]

Meeting Purpose Weekly external meeting to discuss updates and progress on the Medley Interlisp project Key Takeaways - New contributor Ryan Burnside joined, having created an Interlisp game for a game jam - Bill submitted a PR for a new approach to the bibliography page on the website - The project reached 400 followers on Mastodon, a social media milestone - Work continues on documentation, including a Medley Primer and efforts to resurrect old Interlisp programs Topics New Contributor Introduction - Ryan Burnside created a Sliding 15 puzzle game in Interlisp for a game jam - Discussed potential improvements to make Medley more approachable for new users - Ryan appreciated the depth of knowledge and history in the project Bibliography Page Update - Bill submitted a PR with a new approach for the bibliography page - Mock-up available in staging environment - Feedback: Some inconsistent formatting noted, but overall positive reception Documentation Updates - PR submitted to add link to HC Files website on documentation page - Issue noted that CONTRIBUTING.md file is out of date with broken links - Abic finishing Medley Primer, will send for feedback soon Social Media Milestone - Reached 400 followers on Mastodon - Current stats: 404 Mastodon followers, 118 YouTube subscribers, 78 LinkedIn group members, 46 BlueSky followers Interlisp History Discussion - Discussed potential Interlisp exhibit for Interim Computer Museum - Talked about early history of Interlisp, BBN, and PDP-10 systems - Paolo experimenting with Interlisp-10 on TwinX.org system Ongoing Development Work - Ron continuing work on fonts and modernization - Stephen working on getting old programs like URISCO running in modern Medley - Larry prioritizing getting HTML output from Herb's project into AC files Next Steps - Leave feedback on Bill's bibliography page PR - Review and update CONTRIBUTING.md file - Provide fresh feedback on Medley Primer when Abic sends it out - Explore options for Interlisp exhibit at Interim Computer Museum - Continue efforts to get old Interlisp programs running in modern Medley

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Meeting with Interlisp Medley Interlisp External weekly August 27, 2025  •  74 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly external meeting to discuss updates and progress on the Medley Interlisp project Key Takeaways New contributor Ryan Burnside joined, having created an Interlisp game for a game jam Bill submitted a PR for a new approach to the bibliography page on the website The project reached 400 followers on Mastodon, a social media milestone Work continues on documentation, including a Medley Primer and efforts to resurrect old Interlisp programs Topics New Contributor Introduction Ryan Burnside created a Sliding 15 puzzle game in Interlisp for a game jam Discussed potential improvements to make Medley more approachable for new users Ryan appreciated the depth of knowledge and history in the project Bibliography Page Update Bill submitted a PR with a new approach for the bibliography page Mock-up available in staging environment Feedback: Some inconsistent formatting noted, but overall positive reception Documentation Updates PR submitted to add link to HC Files website on documentation page Issue noted that CONTRIBUTING.md file is out of date with broken links Abic finishing Medley Primer, will send for feedback soon Social Media Milestone Reached 400 followers on Mastodon Current stats: 404 Mastodon followers, 118 YouTube subscribers, 78 LinkedIn group members, 46 BlueSky followers Interlisp History Discussion Discussed potential Interlisp exhibit for Interim Computer Museum Talked about early history of Interlisp, BBN, and PDP-10 systems Paolo experimenting with Interlisp-10 on TwinX.org system Ongoing Development Work Ron continuing work on fonts and modernization Stephen working on getting old programs like URISCO running in modern Medley Larry prioritizing getting HTML output from Herb's project into AC files Next Steps Leave feedback on Bill's bibliography page PR Review and update CONTRIBUTING.md file Provide fresh feedback on Medley Primer when Abic sends it out Explore options for Interlisp exhibit at Interim Computer Museum Continue efforts to get old Interlisp programs running in modern Medley View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development work and issues. Key Takeaways - Ron is working on font cleanup and standardization across Interlisp, aiming to deploy new MCCS-compliant fonts - Discussions around backward compatibility and deployment strategy for font/encoding changes - Plans to update T-Edit to version 4 with property list support - Efforts to remove or obsolete outdated code like PRESS format support Topics Font Standardization and MCCS Compliance - Ron has constructed MCCS-compliant fonts for basic families (Gacha, Helvetica, Classic, etc.) - Strategy: Preserve original glyphs where possible, inherit from other fonts to fill gaps - Goal: Consistent character display across fonts, matching MCCS encoding - Challenges with character positioning (e.g. underscore, caret) between old and new fonts T-Edit and File Format Updates - Plans to upgrade T-Edit to version 4 - Add property list support for metadata like dates - Considering strategies for backward compatibility: - Introduce new reader first, delay new writer - Use version detection to handle old/new formats - Discussions on handling undo history and potential memory issues Code Cleanup and Obsolescence - Efforts to remove or obsolete PRESS format support - Keeping bitmap reading functionality while removing unnecessary PRESS code - Discussions on cleaning up other outdated code areas Deployment Strategy - Phased approach proposed: 1. Release new fonts 2. Update keyboard mapping 3. Modify Bravo/T-Edit readers for character code switching 4. Write files in new MCCS format - Concerns about backwards compatibility and transition period Miscellaneous Development Items - Discussions on Sketch application and potential updates needed - Plans to update documentation on font changes - Considerations for future Unicode support Next Steps - Ron to create PR for removing PRESS support while retaining bitmap functionality - Finalize and distribute updated MCCS-compliant fonts - Develop concrete plan for phased deployment of font/encoding changes - Update T-Edit to version 4 with property list support - Review and update Sketch application for compatibility - Document font changes and update relevant guides

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Meeting with Interlisp Medley Interlisp Implementation weekly September 01, 2025  •  448 mins  •  View Meeting or Ask Fathom

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development work and issues. Key Takeaways Ron is working on font cleanup and standardization across Interlisp, aiming to deploy new MCCS-compliant fonts Discussions around backward compatibility and deployment strategy for font/encoding changes Plans to update T-Edit to version 4 with property list support Efforts to remove or obsolete outdated code like PRESS format support Topics Font Standardization and MCCS Compliance Ron has constructed MCCS-compliant fonts for basic families (Gacha, Helvetica, Classic, etc.) Strategy: Preserve original glyphs where possible, inherit from other fonts to fill gaps Goal: Consistent character display across fonts, matching MCCS encoding Challenges with character positioning (e.g. underscore, caret) between old and new fonts T-Edit and File Format Updates Plans to upgrade T-Edit to version 4 Add property list support for metadata like dates Considering strategies for backward compatibility: Introduce new reader first, delay new writer Use version detection to handle old/new formats Discussions on handling undo history and potential memory issues Code Cleanup and Obsolescence Efforts to remove or obsolete PRESS format support Keeping bitmap reading functionality while removing unnecessary PRESS code Discussions on cleaning up other outdated code areas Deployment Strategy Phased approach proposed: Release new fonts Update keyboard mapping Modify Bravo/T-Edit readers for character code switching Write files in new MCCS format Concerns about backwards compatibility and transition period Miscellaneous Development Items Discussions on Sketch application and potential updates needed Plans to update documentation on font changes Considerations for future Unicode support Next Steps Ron to create PR for removing PRESS support while retaining bitmap functionality Finalize and distribute updated MCCS-compliant fonts Develop concrete plan for phased deployment of font/encoding changes Update T-Edit to version 4 with property list support Review and update Sketch application for compatibility Document font changes and update relevant guides

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[Fathom]

Meeting Purpose Weekly external Medley Interlisp project meeting to discuss progress, issues, and plans. Key Takeaways - Ellie made progress on cataloging Richard Burton's papers and got e-pad working - Frank encountered challenges updating online to Ubuntu 24.04, reverted to 20.04 - Ron is working on documentation for new font functionality and preparing code for push - 24 newly rediscovered Xerox PARC videos, including Dandelion microcode series, added to archive Topics Richard Burton Papers and E-pad Progress - Ellie cataloged Richard Burton's Interlisp-related papers in Zotero (in "In Progress" category) - Some papers couldn't be found; Ellie will email Richard for copies - E-pad now functional on Ellie's desktop after installing JDK11 Video Archive Updates - Herb discovered 24 misclassified Xerox PARC videos in Internet Archive - Videos moved to PARC Archive collection, including full Dandelion microcode series - Some videos' relevance to Interlisp unclear; team input needed for assessment Online System Update Challenges - Frank attempted to update online system to Ubuntu 24.04 - Encountered significant issues; reverted to 20.04 - Merging of March PR for direct URL access to online completed - Major task ahead to update all systems and eliminate bit rot Font Documentation and Code Push - Ron working on documentation for new font functionality - Preparing code for push, organizing and verifying files - Discussing strategies for transitioning fonts to MCCS with font-specific encodings Dandelion Emulator Project - Potential student project to emulate Dandelion using FPGAs - Discussion of Dandelion vs. Dolphin architecture and microcode differences - Historical context of Xerox machines (Dandelion, Daybreak, Dandy Tiger) shared NASA Lunar Rock Search Engine - Paolo found NASA article about Ron's 1970s project for lunar rock sample database - Natural language interface for searching Apollo rock samples - Collaboration with Bill Woods and Bonnie Nash-Weber; Joe Becker involved in database management Next Steps - Ellie to finish cataloging Richard Burton's papers and upload new videos - Frank to investigate build failure issue and track down HG files problem - Ron to continue font documentation and code preparation - Team to provide input on relevance of newly discovered videos to Interlisp - Stephen to follow up with grad student on graph analytics package documentation

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Meeting with Interlisp Medley Interlisp External weekly September 03, 2025  •  91 mins  •  View Meeting or Ask Fathom Action Items ✨ Email Richard Burton re missing papers; request copies Eleanor Young Finish verifying/tagging Burton papers in Zotero; move out of "In Progress" Eleanor Young Upload edited/spliced video on runes to appropriate platform Eleanor Young Send Frank screenshots + description of Norton Ultimate issue w/ SIGWIN release Stephen Kaisler Investigate cause of build failure in latest release; resolve issue Frank Halasz Meeting Summary ✨ Meeting Purpose Weekly external Medley Interlisp project meeting to discuss progress, issues, and plans. Key Takeaways Ellie made progress on cataloging Richard Burton's papers and got e-pad working Frank encountered challenges updating online to Ubuntu 24.04, reverted to 20.04 Ron is working on documentation for new font functionality and preparing code for push 24 newly rediscovered Xerox PARC videos, including Dandelion microcode series, added to archive Topics Richard Burton Papers and E-pad Progress Ellie cataloged Richard Burton's Interlisp-related papers in Zotero (in "In Progress" category) Some papers couldn't be found; Ellie will email Richard for copies E-pad now functional on Ellie's desktop after installing JDK11 Video Archive Updates Herb discovered 24 misclassified Xerox PARC videos in Internet Archive Videos moved to PARC Archive collection, including full Dandelion microcode series Some videos' relevance to Interlisp unclear; team input needed for assessment Online System Update Challenges Frank attempted to update online system to Ubuntu 24.04 Encountered significant issues; reverted to 20.04 Merging of March PR for direct URL access to online completed Major task ahead to update all systems and eliminate bit rot Font Documentation and Code Push Ron working on documentation for new font functionality Preparing code for push, organizing and verifying files Discussing strategies for transitioning fonts to MCCS with font-specific encodings Dandelion Emulator Project Potential student project to emulate Dandelion using FPGAs Discussion of Dandelion vs. Dolphin architecture and microcode differences Historical context of Xerox machines (Dandelion, Daybreak, Dandy Tiger) shared NASA Lunar Rock Search Engine Paolo found NASA article about Ron's 1970s project for lunar rock sample database Natural language interface for searching Apollo rock samples Collaboration with Bill Woods and Bonnie Nash-Weber; Joe Becker involved in database management Next Steps Ellie to finish cataloging Richard Burton's papers and upload new videos Frank to investigate build failure issue and track down HG files problem Ron to continue font documentation and code preparation Team to provide input on relevance of newly discovered videos to Interlisp Stephen to follow up with grad student on graph analytics package documentation

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[Fathom]

Meeting Purpose Discuss ongoing development efforts, particularly font handling improvements and backward compatibility challenges. Key Takeaways - Ron Kaplan has made significant progress on font handling, creating a new architecture with improved consistency and flexibility - Frank Halasz identified critical bugs in Unix process handling code that are causing silent failures in online builds - The team is grappling with backward compatibility challenges, particularly for T-Edit files and font encodings - Paolo Amoroso's recent Interlisp-10 blog post is gaining traction on Hacker News, driving increased interest Topics Font Handling Improvements - Ron has developed a new font architecture using "priority union" to combine glyphs from multiple fonts - Medley font files now act as a projection of constituent fonts, filling in missing glyphs intelligently - New coercion lists allow for flexible font substitution and character set mapping - The system aims to normalize everything to MCCS (Modified Character Code Standard) encoding - Challenges remain in handling backward compatibility for files using old encodings Unix Process Handling Bugs - Frank discovered critical bugs in Unix process communication code - Issues stem from using signed bytes to pass file descriptors, leading to failures after descriptor 128 - T-Edit files are not being closed properly, causing a buildup of open file descriptors - These bugs are causing silent failures in online builds, leaving blank or incomplete output Backward Compatibility Challenges - The team is struggling with how to handle T-Edit files created with new encodings when viewed by old code - Options discussed include hiding metadata in file creation dates or adding explicit markers - Larry Masinter suggested developing a clear backward compatibility policy to guide these decisions - The team recognized the need to balance maintaining old functionality with enabling new features Interlisp-10 Blog Post Traction - Paolo's recent blog post about Interlisp-10 is performing well on Hacker News - The post received 46 votes and a comment from notable Lisper Mark Watson - Unusually, view counts are increasing days after the initial posting, reaching about 900 views - This traction is driving increased interest in Interlisp and Medley Miscellaneous Updates - Herb developed a converter from Laurel/Lafite email format to MBOX for archival purposes - The team briefly discussed reaching out to computer history organizations (Digibarn, Computer History Museum) - Several team members shared personal updates on upcoming cataract surgeries and vision improvements Next Steps - Ron to continue refining font handling implementation and documentation - Frank to create detailed bug reports for Unix process handling issues and work on fixes - Larry to draft a 1-3 paragraph backward compatibility policy as a starting point for discussion - Herb to check in the Laurel-to-MBOX converter code to the appropriate repository - Team to review Ron's font handling documentation in the pending pull request

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Meeting with Interlisp Medley Interlisp Implementation weekly September 08, 2025  •  121 mins  •  View Meeting or Ask Fathom Action Items ✨ Send Ron list of files causing issues in HC files Frank Halasz Write up description of Myco bugs as GitHub issue Frank Halasz Fix do-hc files to detect errors, prevent online system mess-up Frank Halasz Check in Laurel-to-MBOX converter code to medley repo Herb Jellinek Write 1-3 paragraph compatibility policy draft Larry Masinter-lisp Meeting Summary ✨ Meeting Purpose Discuss ongoing development efforts, particularly font handling improvements and backward compatibility challenges. Key Takeaways Ron Kaplan has made significant progress on font handling, creating a new architecture with improved consistency and flexibility Frank Halasz identified critical bugs in Unix process handling code that are causing silent failures in online builds The team is grappling with backward compatibility challenges, particularly for T-Edit files and font encodings Paolo Amoroso's recent Interlisp-10 blog post is gaining traction on Hacker News, driving increased interest Topics Font Handling Improvements Ron has developed a new font architecture using "priority union" to combine glyphs from multiple fonts Medley font files now act as a projection of constituent fonts, filling in missing glyphs intelligently New coercion lists allow for flexible font substitution and character set mapping The system aims to normalize everything to MCCS (Modified Character Code Standard) encoding Challenges remain in handling backward compatibility for files using old encodings Unix Process Handling Bugs Frank discovered critical bugs in Unix process communication code Issues stem from using signed bytes to pass file descriptors, leading to failures after descriptor 128 T-Edit files are not being closed properly, causing a buildup of open file descriptors These bugs are causing silent failures in online builds, leaving blank or incomplete output Backward Compatibility Challenges The team is struggling with how to handle T-Edit files created with new encodings when viewed by old code Options discussed include hiding metadata in file creation dates or adding explicit markers Larry Masinter suggested developing a clear backward compatibility policy to guide these decisions The team recognized the need to balance maintaining old functionality with enabling new features Interlisp-10 Blog Post Traction Paolo's recent blog post about Interlisp-10 is performing well on Hacker News The post received 46 votes and a comment from notable Lisper Mark Watson Unusually, view counts are increasing days after the initial posting, reaching about 900 views This traction is driving increased interest in Interlisp and Medley Miscellaneous Updates Herb developed a converter from Laurel/Lafite email format to MBOX for archival purposes The team briefly discussed reaching out to computer history organizations (Digibarn, Computer History Museum) Several team members shared personal updates on upcoming cataract surgeries and vision improvements Next Steps Ron to continue refining font handling implementation and documentation Frank to create detailed bug reports for Unix process handling issues and work on fixes Larry to draft a 1-3 paragraph backward compatibility policy as a starting point for discussion Herb to check in the Laurel-to-MBOX converter code to the appropriate repository Team to review Ron's font handling documentation in the pending pull request

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[Fathom]

Meeting Purpose Weekly external Medley Interlisp project meeting to discuss progress, issues, and next steps. Key Takeaways - Ryan created an exploratory video on building a simple data-plotting program in Interlisp, sparking discussion on documentation improvements and user experience - Progress made on various documentation efforts, including library cleanup, project page updates, and application revival efforts - Technical issues addressed, including PDF export functionality and T-Edit file conversion challenges - New contributor Bob Bain (CLTL-2 author) may join the project, potentially aiding with Common Lisp integration Topics Ryan's Exploratory Video on Data Plotting - Ryan created a screencast showing how to build a simple GUI data-plotting tool in Interlisp - Video highlighted some UI quirks and documentation gaps, sparking discussion on potential improvements - Team appreciated Ryan's approach and pacing, seeing value in the "newcomer perspective" - Discussed strategies for addressing surprises/inconsistencies discovered during video creation Documentation and Website Updates - Paolo completed spreadsheet listing details of every Lisp Users module - Planning similar effort for Library modules - PR #297 submitted with project page updates, including examples of Interlisp applications for revival - Discussed potential reorganization of Lisp Users and Library directories - Considering creation of "grad student projects" list on website Technical Issues and Fixes - Addressed PDF export functionality issue in online.interlisp.org - Ron implemented T-Edit document property storage for MCCS conversion tracking - Ongoing work to resolve T-Edit file conversion challenges and error reporting - Discussion on improving HC Files script output for better error parsing Application Revival Efforts - Stephen working on documenting and debugging URISCO, AM, Strads, and DADM - Discussed licensing considerations for various legacy applications - Exploring ways to support revival efforts while managing expectations New Contributor Potential - Bob Bain, author of CLTL-2 files, may join the project - Could provide valuable insights on post-Xerox PARC developments and Common Lisp integration Next Steps - Ryan to incorporate feedback into future video content, possibly re-shooting parts of existing video - Paolo to proceed with Library module documentation effort - Frank to address PDF converter installation for online.interlisp.org - Ron to continue investigating T-Edit file conversion issues using updated error lists - Team to refine messaging around application revival efforts on project page - Explore onboarding process for Bob Bain and potential contributions

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Meeting with Interlisp Medley Interlisp External weekly September 10, 2025  •  109 mins  •  View Meeting or Ask Fathom Action Items ✨ Create new spreadsheet for library, similar to Lisp users one. Copy/adapt structure, go through modules alphabetically, fill details Paolo Amoroso Submit changes discussed for PR #297 on project page. Update wording re supporting revival of systems, remove licensing mentions Paolo Amoroso Coordinate w/ Ryan re getting his video onto interlisp.org YouTube channel Eleanor Young Open ticket for PS to PDF converter issue on online.interlisp.org. Error: "Can't find a PostScript to PDF converter" Paolo Amoroso Check if PS2PDF converter installed w/ Medli on Windows 11 (SIGWIN). May need to update Sigwin installer to include GoScript Frank Halasz Push Laurel to Mbox converter code (Java, ~160 lines) as new sub-repo of Interlisp. Include license file Herb Jellinek Update online repo w/ notes about git-lfs requirement for cloning. Add to README or relevant docs Frank Halasz Meeting Summary ✨ Meeting Purpose Weekly external Medley Interlisp project meeting to discuss progress, issues, and next steps. Key Takeaways Ryan created an exploratory video on building a simple data-plotting program in Interlisp, sparking discussion on documentation improvements and user experience Progress made on various documentation efforts, including library cleanup, project page updates, and application revival efforts Technical issues addressed, including PDF export functionality and T-Edit file conversion challenges New contributor Bob Bain (CLTL-2 author) may join the project, potentially aiding with Common Lisp integration Topics Ryan's Exploratory Video on Data Plotting Ryan created a screencast showing how to build a simple GUI data-plotting tool in Interlisp Video highlighted some UI quirks and documentation gaps, sparking discussion on potential improvements Team appreciated Ryan's approach and pacing, seeing value in the "newcomer perspective" Discussed strategies for addressing surprises/inconsistencies discovered during video creation Documentation and Website Updates Paolo completed spreadsheet listing details of every Lisp Users module Planning similar effort for Library modules PR #297 submitted with project page updates, including examples of Interlisp applications for revival Discussed potential reorganization of Lisp Users and Library directories Considering creation of "grad student projects" list on website Technical Issues and Fixes Addressed PDF export functionality issue in online.interlisp.org Ron implemented T-Edit document property storage for MCCS conversion tracking Ongoing work to resolve T-Edit file conversion challenges and error reporting Discussion on improving HC Files script output for better error parsing Application Revival Efforts Stephen working on documenting and debugging URISCO, AM, Strads, and DADM Discussed licensing considerations for various legacy applications Exploring ways to support revival efforts while managing expectations New Contributor Potential Bob Bain, author of CLTL-2 files, may join the project Could provide valuable insights on post-Xerox PARC developments and Common Lisp integration Next Steps Ryan to incorporate feedback into future video content, possibly re-shooting parts of existing video Paolo to proceed with Library module documentation effort Frank to address PDF converter installation for online.interlisp.org Ron to continue investigating T-Edit file conversion issues using updated error lists Team to refine messaging around application revival efforts on project page Explore onboarding process for Bob Bain and potential contributions

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[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss development progress and issues. Key Takeaways - Ron is working on refactoring and improving the printing/file conversion system, which has become complex and outdated over time - There are ongoing challenges with file type conversions, printer support, and handling different output formats across platforms - The team is exploring ways to streamline workflows and improve documentation for developers Topics Printing and File Conversion Refactoring - Ron has been working on untangling the complex printing and file conversion logic - Current system assumes printer output, which is outdated for modern use cases - Goal is to separate conversion logic from printer-specific code - Challenges include handling different file types, conversions between formats (e.g. PostScript to PDF), and cross-platform compatibility - Exploring options like streaming data instead of creating temporary files Workflow Documentation - Discussion about creating short instructional videos or documentation on common workflows - Suggested topics: setting up Medley for development, making changes to system files, recompilation process - Need to balance documenting current quirks vs. fixing underlying issues Common Lisp Integration - Some Common Lisp features are not fully integrated with the file package system - This can cause issues with recompilation and cleanup functions - Team discussed potential fixes, like automatically detecting Common Lisp constructs and adjusting file types PDF Generation and Viewing - Issues with PDF generation on different platforms (Mac, Linux, online version) - Exploring ways to improve error messages and provide clearer instructions for missing dependencies - Considering adding a URL to error messages pointing to more detailed troubleshooting information Font and Character Issues - Ron mentioned potential character swapping issues with recent changes - New fonts are coming to fix these issues, but not yet released (about 300 files) Next Steps - Team members to test Ron's recent code changes (PR #122) - Frank to investigate piping options for shell commands to improve file conversion process - Consider creating short instructional videos or documentation for common development workflows - Continue work on refactoring printing and file conversion system - Improve error messages and user guidance for PDF generation across platforms

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Meeting with Interlisp Medley Interlisp Implementation weekly September 15, 2025  •  78 mins  •  View Meeting

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Meeting Summary ✨ Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss development progress and issues. Key Takeaways Ron is working on refactoring and improving the printing/file conversion system, which has become complex and outdated over time There are ongoing challenges with file type conversions, printer support, and handling different output formats across platforms The team is exploring ways to streamline workflows and improve documentation for developers Topics Printing and File Conversion Refactoring Ron has been working on untangling the complex printing and file conversion logic Current system assumes printer output, which is outdated for modern use cases Goal is to separate conversion logic from printer-specific code Challenges include handling different file types, conversions between formats (e.g. PostScript to PDF), and cross-platform compatibility Exploring options like streaming data instead of creating temporary files Workflow Documentation Discussion about creating short instructional videos or documentation on common workflows Suggested topics: setting up Medley for development, making changes to system files, recompilation process Need to balance documenting current quirks vs. fixing underlying issues Common Lisp Integration Some Common Lisp features are not fully integrated with the file package system This can cause issues with recompilation and cleanup functions Team discussed potential fixes, like automatically detecting Common Lisp constructs and adjusting file types PDF Generation and Viewing Issues with PDF generation on different platforms (Mac, Linux, online version) Exploring ways to improve error messages and provide clearer instructions for missing dependencies Considering adding a URL to error messages pointing to more detailed troubleshooting information Font and Character Issues Ron mentioned potential character swapping issues with recent changes New fonts are coming to fix these issues, but not yet released (about 300 files) Next Steps Team members to test Ron's recent code changes (PR #122) Frank to investigate piping options for shell commands to improve file conversion process Consider creating short instructional videos or documentation for common development workflows Continue work on refactoring printing and file conversion system Improve error messages and user guidance for PDF generation across platforms View Meeting →

[Fathom]

Meeting Purpose Weekly status update and discussion on Medley Interlisp development progress and issues. Key Takeaways - Search functionality on the website has significantly improved, now returning relevant results for most queries - Ongoing work to improve font handling, screen scaling, and Common Lisp integration in Medley - Need to document recommended compiler settings and workflows for new developers - Opportunities identified to modernize UI elements and improve usability Topics Website Search Improvements - Search now returns relevant results for previously problematic queries like "clipboard" and "Smalltalk" - Some search categories (e.g. GitHub issues, mailing list) still not functional - Suggestion to hide non-functional search categories for now - Bill to look into 404 errors from appending "_print" to URLs Screen Scaling and Font Handling - Ongoing work to improve support for larger screens and font scaling - Current max screen size limited to 2^22 bits due to 16-bit field in bitmap table - SDL may provide better scaling options than X Windows - Suggestion to document current options for making text/windows bigger in FAQ Common Lisp Integration - Discussion on best practices for mixing Common Lisp and Interlisp code - Recommendation to set default-cleanup-compiler to CL-compile-file for most development - Need to document compiler settings and potential issues for new developers - Opportunity identified to improve CLTL2 support Trademark and Legal Matters - "Interlisp-D" trademark owned by Xerox is defunct/abandoned - Computer History Museum very cautious about potential copyright issues - Internet Archive settled lawsuit over digitizing 78 RPM records Development Workflows - Various approaches shared for working on Medley codebase - Some use branches in main repo, others keep separate working directory - Suggestion to document recommended workflow for new contributors Image Import/Export - Frank has code to import PNG files as Interlisp bitmaps - Andrew Sengel wrote a PBM format importer - Opportunity to improve image handling capabilities Next Steps - Bill to investigate 404 errors from "_print" URLs - Document recommended compiler settings for new developers - Create shared document for Ryan to note unexpected behaviors/issues - Frank to share PNG import code - Larry to set up 1-on-1 debugging session with Ryan - Continue improving documentation and onboarding for new contributors

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Meeting with Interlisp Medley Interlisp External weekly September 17, 2025  •  130 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly status update and discussion on Medley Interlisp development progress and issues. Key Takeaways Search functionality on the website has significantly improved, now returning relevant results for most queries Ongoing work to improve font handling, screen scaling, and Common Lisp integration in Medley Need to document recommended compiler settings and workflows for new developers Opportunities identified to modernize UI elements and improve usability Topics Website Search Improvements Search now returns relevant results for previously problematic queries like "clipboard" and "Smalltalk" Some search categories (e.g. GitHub issues, mailing list) still not functional Suggestion to hide non-functional search categories for now Bill to look into 404 errors from appending "_print" to URLs Screen Scaling and Font Handling Ongoing work to improve support for larger screens and font scaling Current max screen size limited to 2^22 bits due to 16-bit field in bitmap table SDL may provide better scaling options than X Windows Suggestion to document current options for making text/windows bigger in FAQ Common Lisp Integration Discussion on best practices for mixing Common Lisp and Interlisp code Recommendation to set default-cleanup-compiler to CL-compile-file for most development Need to document compiler settings and potential issues for new developers Opportunity identified to improve CLTL2 support Trademark and Legal Matters "Interlisp-D" trademark owned by Xerox is defunct/abandoned Computer History Museum very cautious about potential copyright issues Internet Archive settled lawsuit over digitizing 78 RPM records Development Workflows Various approaches shared for working on Medley codebase Some use branches in main repo, others keep separate working directory Suggestion to document recommended workflow for new contributors Image Import/Export Frank has code to import PNG files as Interlisp bitmaps Andrew Sengel wrote a PBM format importer Opportunity to improve image handling capabilities Next Steps Bill to investigate 404 errors from "_print" URLs Document recommended compiler settings for new developers Create shared document for Ryan to note unexpected behaviors/issues Frank to share PNG import code Larry to set up 1-on-1 debugging session with Ryan Continue improving documentation and onboarding for new contributors View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development, issues, and project updates. Key Takeaways - ICM (Interim Computer Museum) reached out about an Interlisp exhibition; Larry will invite them to a meeting for brainstorming - Ron's font PR (#122) is ready for review and testing, with 300 additional Medley format font files added - Discussions around creating a separate repo for fonts as a submodule to improve organization and distribution - Ongoing work on improving image file printing architecture and GitFunds functionality Topics ICM Interlisp Exhibition - Paolo reported that ICM contacted the team about an Interlisp exhibition - Larry will email Stephen Jones to invite ICM representatives to a Wednesday meeting - Team will brainstorm ideas for the exhibition, potentially including interactive demos and QR codes for visitors to try Medley Font System Updates - Ron moved PR #122 from draft to official, including 300 additional Medley format font files - Discussed potential creation of a separate repo for fonts as a Git submodule - Ron working on integrating HTML fonts and completing the font set with BDF glyphs - Team to consider creating a "cheat sheet" for Git submodule commands if implemented Image File Printing Architecture - Ron reworking the architecture to disentangle image file creation from printing - New functions introduced: PS to PDF, t-edit to image file, send file to printer - Changes aim to clean up and simplify the process, avoiding conflicts with PDF simulation GitFunds Improvements - Ron noticed issues with GitFunds running out of space when handling large PRs - Considering changes to use Unix temp files instead of storing files in core - Discussed potential improvements for handling file renaming and directory creation Interlisp History and Archives - Larry discovered Lisp ARs (Action Requests) in the Park CHM collection, potential source for regression testing - Discussed the absence of Richard's early 70s files in the Computer History Museum archives - Team considering ways to improve searchability of various Interlisp-related resources (bibliography, mailing lists, GitHub issues) Miscellaneous Development Topics - Discussed potential bug in regions/flood fill implementation - Ryan interested in implementing 3D graphics demos and exploring brush/texture capabilities - Herb working on Lafitte and Laurel to Mbox converter, seeking insights on t-edit formatted files in Lafitte mail Next Steps - Larry to email Stephen Jones about ICM joining a Wednesday meeting for exhibition brainstorming - Team to review and test Ron's font PR (#122) - Consider implementing a separate repo for fonts as a Git submodule - Ron to continue work on image file printing architecture improvements - Investigate and potentially implement improvements to GitFunds for handling large PRs - Explore ways to improve searchability of Interlisp-related resources - Herb to send a message in Discord chat to schedule meeting with Eric and Ellie

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Meeting with Interlisp Medley Interlisp Implementation weekly September 22, 2025  •  126 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development, issues, and project updates. Key Takeaways ICM (Interim Computer Museum) reached out about an Interlisp exhibition; Larry will invite them to a meeting for brainstorming Ron's font PR (#122) is ready for review and testing, with 300 additional Medley format font files added Discussions around creating a separate repo for fonts as a submodule to improve organization and distribution Ongoing work on improving image file printing architecture and GitFunds functionality Topics ICM Interlisp Exhibition Paolo reported that ICM contacted the team about an Interlisp exhibition Larry will email Stephen Jones to invite ICM representatives to a Wednesday meeting Team will brainstorm ideas for the exhibition, potentially including interactive demos and QR codes for visitors to try Medley Font System Updates Ron moved PR #122 from draft to official, including 300 additional Medley format font files Discussed potential creation of a separate repo for fonts as a Git submodule Ron working on integrating HTML fonts and completing the font set with BDF glyphs Team to consider creating a "cheat sheet" for Git submodule commands if implemented Image File Printing Architecture Ron reworking the architecture to disentangle image file creation from printing New functions introduced: PS to PDF, t-edit to image file, send file to printer Changes aim to clean up and simplify the process, avoiding conflicts with PDF simulation GitFunds Improvements Ron noticed issues with GitFunds running out of space when handling large PRs Considering changes to use Unix temp files instead of storing files in core Discussed potential improvements for handling file renaming and directory creation Interlisp History and Archives Larry discovered Lisp ARs (Action Requests) in the Park CHM collection, potential source for regression testing Discussed the absence of Richard's early 70s files in the Computer History Museum archives Team considering ways to improve searchability of various Interlisp-related resources (bibliography, mailing lists, GitHub issues) Miscellaneous Development Topics Discussed potential bug in regions/flood fill implementation Ryan interested in implementing 3D graphics demos and exploring brush/texture capabilities Herb working on Lafitte and Laurel to Mbox converter, seeking insights on t-edit formatted files in Lafitte mail Next Steps Larry to email Stephen Jones about ICM joining a Wednesday meeting for exhibition brainstorming Team to review and test Ron's font PR (#122) Consider implementing a separate repo for fonts as a Git submodule Ron to continue work on image file printing architecture improvements Investigate and potentially implement improvements to GitFunds for handling large PRs Explore ways to improve searchability of Interlisp-related resources Herb to send a message in Discord chat to schedule meeting with Eric and Ellie View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways - Ongoing work on HTML generation, file compilation, and UI improvements - Challenges with clipboard functionality and cross-platform compatibility - Interest in reviving networking capabilities, particularly XNS and PUP protocols - Discussion on potential use of submodules for managing fonts and other components Topics HTML Generation Issues - Herb and Ron investigating problems with HTMLStream creating hard copies of T-Edit documents - Possible issues with lexical variable naming and compilation - Suggestion to document these types of system programming gotchas on GitHub Recompilation Efforts - Frank working on a pull request to recompile all source files - Challenges with determining correct compilation order and dependencies - Discussion on improving file type properties for easier compilation UI and Graphics Improvements - Ryan working on optimizing drawing performance for game implementation - Suggestions to use pre-rendered bitmaps and double buffering for faster graphics Clipboard Functionality - Issues with XClipboard implementation on Linux - Discussions on best practices for interfacing with system clipboards across platforms Networking Capabilities - Interest in reviving TCP/IP, XNS, and PUP networking protocols - Potential use of PCAP library for machine-independent raw Ethernet access - Discussion on security considerations for older networking implementations Code Style and Compatibility - Discussions on preferred coding style for new Interlisp implementations - Balancing historical Interlisp conventions with modern Common Lisp practices Project Management - Consideration of using Git submodules for managing fonts and other components - Discussion on best practices for merging and managing branches Next Steps - Continue investigating HTML generation issues and document findings - Refine recompilation efforts, focusing on correct file ordering and dependencies - Optimize graphics performance in game implementations - Further investigate and resolve clipboard functionality issues - Explore options for reviving networking capabilities, possibly as a grad student project - Consider implementing Git submodules for better component management - Review and update coding style guidelines for new implementations

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Meeting with Interlisp Medley Interlisp Implementation weekly

September 29, 2025  •  106 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, issues, and next steps. Key Takeaways Ongoing work on HTML generation, file compilation, and UI improvements Challenges with clipboard functionality and cross-platform compatibility Interest in reviving networking capabilities, particularly XNS and PUP protocols Discussion on potential use of submodules for managing fonts and other components Topics HTML Generation Issues Herb and Ron investigating problems with HTMLStream creating hard copies of T-Edit documents Possible issues with lexical variable naming and compilation Suggestion to document these types of system programming gotchas on GitHub Recompilation Efforts Frank working on a pull request to recompile all source files Challenges with determining correct compilation order and dependencies Discussion on improving file type properties for easier compilation UI and Graphics Improvements Ryan working on optimizing drawing performance for game implementation Suggestions to use pre-rendered bitmaps and double buffering for faster graphics Clipboard Functionality Issues with XClipboard implementation on Linux Discussions on best practices for interfacing with system clipboards across platforms Networking Capabilities Interest in reviving TCP/IP, XNS, and PUP networking protocols Potential use of PCAP library for machine-independent raw Ethernet access Discussion on security considerations for older networking implementations Code Style and Compatibility Discussions on preferred coding style for new Interlisp implementations Balancing historical Interlisp conventions with modern Common Lisp practices Project Management Consideration of using Git submodules for managing fonts and other components Discussion on best practices for merging and managing branches Next Steps Continue investigating HTML generation issues and document findings Refine recompilation efforts, focusing on correct file ordering and dependencies Optimize graphics performance in game implementations Further investigate and resolve clipboard functionality issues Explore options for reviving networking capabilities, possibly as a grad student project Consider implementing Git submodules for better component management Review and update coding style guidelines for new implementations View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways - Several PRs were reviewed and approved, including font changes (PR 2280) and clipboard functionality (PR 2297) - Ongoing work on compiling and loading up Medley from source, with some remaining issues to resolve - Discussion of potential submodule structure for the project repositories - Need to clean up null files and address some longstanding load-up errors Topics Font and Character Encoding Updates - PR 2280 approved, implementing next round of font and MCCS (Medley Character Code Standard) changes - Goal is to standardize character encoding across fonts and improve display consistency - Some challenges remain with certain fonts like Palatino and handling of special characters - Plan to use BDF fonts as background for display fonts to fill out missing glyphs Compilation and Load-up Progress - Frank working on compiling everything from source - Most files compile cleanly except for LL Timer (unsafe-to-modify-funds violation) - Can load up to init, but fails on init to mid - investigating the cause - Need to verify functionality after recompilation Repository Structure and Submodules - Discussing potential use of Git submodules to better manage dependencies between repositories - Would allow synchronizing specific versions of components like Maiko with Medley - Considering making components like Online and Notecards submodules of the main Medley repo Ongoing Issues and Cleanup - Some files still contain null characters, affecting whereis.hash generation - Several load-up errors from July (issues 2230-2233) need investigation - PR 2056 identifies unused files in sources that can be ignored during compilation Video Enhancement Project - Matt to experiment with AI-based video enhancement on archive.org videos - Focus on older, lower quality recordings like the Raphael Bobrow video from 1973 - Will report back on results for potential upload of improved versions Next Steps - Herb to review and test Ron's changes to the ED command (PR 2301) - Frank to continue work on manual updates - Matt to attempt video enhancement on older Interlisp videos - Nick to add comment on issue 2236 regarding remaining null files - Continue investigation and resolution of load-up errors - Further discussion needed on implementing submodule structure

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Meeting with Interlisp Medley Interlisp Implementation weekly

October 06, 2025  •  89 mins  •  View Meeting or Ask Fathom

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss ongoing development efforts and issues. Key Takeaways Several PRs were reviewed and approved, including font changes (PR 2280) and clipboard functionality (PR 2297) Ongoing work on compiling and loading up Medley from source, with some remaining issues to resolve Discussion of potential submodule structure for the project repositories Need to clean up null files and address some longstanding load-up errors Topics Font and Character Encoding Updates PR 2280 approved, implementing next round of font and MCCS (Medley Character Code Standard) changes Goal is to standardize character encoding across fonts and improve display consistency Some challenges remain with certain fonts like Palatino and handling of special characters Plan to use BDF fonts as background for display fonts to fill out missing glyphs Compilation and Load-up Progress Frank working on compiling everything from source Most files compile cleanly except for LL Timer (unsafe-to-modify-funds violation) Can load up to init, but fails on init to mid - investigating the cause Need to verify functionality after recompilation Repository Structure and Submodules Discussing potential use of Git submodules to better manage dependencies between repositories Would allow synchronizing specific versions of components like Maiko with Medley Considering making components like Online and Notecards submodules of the main Medley repo Ongoing Issues and Cleanup Some files still contain null characters, affecting whereis.hash generation Several load-up errors from July (issues 2230-2233) need investigation PR 2056 identifies unused files in sources that can be ignored during compilation Video Enhancement Project Matt to experiment with AI-based video enhancement on archive.org videos Focus on older, lower quality recordings like the Raphael Bobrow video from 1973 Will report back on results for potential upload of improved versions Next Steps Herb to review and test Ron's changes to the ED command (PR 2301) Frank to continue work on manual updates Matt to attempt video enhancement on older Interlisp videos Nick to add comment on issue 2236 regarding remaining null files Continue investigation and resolution of load-up errors Further discussion needed on implementing submodule structure

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[Fathom]

Meeting Purpose Discuss ongoing development work on the Medley Interlisp implementation, focusing on font handling changes and other issues. Key Takeaways - PR #2280 with major font handling changes needs further testing before approval - Issues with fixed-width fonts and character encoding need to be resolved - IRM documentation files not loading properly due to font changes - Team exploring ways to improve CommonLisp compatibility and testing Topics Font Handling Changes (PR #2280) - PR #2280 makes major changes to font handling, with 400 files changed across 42 commits - Concerns raised about backward compatibility and potential issues with fixed-width fonts - Team debated how to handle underscore/left arrow character mapping - Decision made to test PR #2280 further before approving on Wednesday Fixed-Width Font Issues - Discussion on ensuring fixed-width fonts remain fixed-width when adding new characters - Proposal to create separate "fixed" versions of fonts like Gotcha and Terminal - Need to align widths and heights when filling in characters from other fonts Character Encoding and Keyboard Mapping - Debate on how to map underscore key to left arrow in certain contexts - Suggestion to use meta-shift-minus for left arrow, meta-underscore for underscore - Virtual Keyboards package may need updating to reflect any changes IRM Documentation Loading Issue - IRM T-edit files no longer loading properly since PR #2203 - Issue traced to changes in font handling, specifically Coerced Font Desk function - Frank able to load files in PR #2280 branch but not in master CommonLisp Compatibility - Ryan discussed potential use of SICL project code to improve CommonLisp compatibility - Suggestion to run ANSI CommonLisp compliance suite to identify implemented/missing features - Noted challenges with package naming differences between CommonLisp versions Bibliography Work - Matt made fixes to Bill's bibliography implementation, addressing HTML entity issues - Discussion on improving abstract display and linking in bibliography Next Steps - Larry to test PR #2280 further and aim to approve by Wednesday - Herb to write up remaining tasks for font changes and check with Arun/Bob Bain on Fasload behavior - Frank to continue work on IRM documentation loading issue - Ryan to explore running CommonLisp compliance tests on Medley - Team to continue refining bibliography implementation

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Meeting with Interlisp Medley Interlisp Implementation weekly

October 13, 2025  •  126 mins  •  View Meeting or Ask Fathom Action Items ✨ Generate BDF files for fixed-pitch fonts in bold style using FontForge Matt Heffron Update virtual keyboards package to map F10 key to underscore character Ron Kaplan Add subtask to existing Primer issue for hosting new Primer on Interlisp website Larry Masinter-lisp Send note to Lispcore mailing list asking about rationale for Fasload binding file package flags to nil Herb Jellinek Investigate changing Fasload to not rebind file package flags; create PR within a week Herb Jellinek Approve PR-2280 after running/testing it for a while Larry Masinter-lisp Meeting Summary ✨ Meeting Purpose Discuss ongoing development work on the Medley Interlisp implementation, focusing on font handling changes and other issues. Key Takeaways PR #2280 with major font handling changes needs further testing before approval Issues with fixed-width fonts and character encoding need to be resolved IRM documentation files not loading properly due to font changes Team exploring ways to improve CommonLisp compatibility and testing Topics Font Handling Changes (PR #2280) PR #2280 makes major changes to font handling, with 400 files changed across 42 commits Concerns raised about backward compatibility and potential issues with fixed-width fonts Team debated how to handle underscore/left arrow character mapping Decision made to test PR #2280 further before approving on Wednesday Fixed-Width Font Issues Discussion on ensuring fixed-width fonts remain fixed-width when adding new characters Proposal to create separate "fixed" versions of fonts like Gotcha and Terminal Need to align widths and heights when filling in characters from other fonts Character Encoding and Keyboard Mapping Debate on how to map underscore key to left arrow in certain contexts Suggestion to use meta-shift-minus for left arrow, meta-underscore for underscore Virtual Keyboards package may need updating to reflect any changes IRM Documentation Loading Issue IRM T-edit files no longer loading properly since PR #2203 Issue traced to changes in font handling, specifically Coerced Font Desk function Frank able to load files in PR #2280 branch but not in master CommonLisp Compatibility Ryan discussed potential use of SICL project code to improve CommonLisp compatibility Suggestion to run ANSI CommonLisp compliance suite to identify implemented/missing features Noted challenges with package naming differences between CommonLisp versions Bibliography Work Matt made fixes to Bill's bibliography implementation, addressing HTML entity issues Discussion on improving abstract display and linking in bibliography Next Steps Larry to test PR #2280 further and aim to approve by Wednesday Herb to write up remaining tasks for font changes and check with Arun/Bob Bain on Fasload behavior Frank to continue work on IRM documentation loading issue Ryan to explore running CommonLisp compliance tests on Medley Team to continue refining bibliography implementation

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[Fathom]

Meeting Purpose Weekly status update and discussion on Medley Interlisp development Key Takeaways - New Primer chapters added on file browser and variable bindings/scope - Bibliography work progressing well on staging site - File system/naming issues being investigated, particularly for Unicode support - Clipboard functionality on online.interlisp.org may need re-testing Topics Primer Updates - Abhik added new chapters on file browser and variable bindings/scope - Considering adding historical photos to humanize the content - Need to figure out Gitbook setup for publication - Planning to use primer.interlisp.org subdomain Key Bindings Documentation - Suggestion to add basic key binding cheat sheet, possibly as T-Edit document - Larry has spreadsheet comparing key bindings across systems - Need to balance providing useful defaults vs. context-specific bindings Bibliography Progress - Bill made updates to author formatting on staging site - Considering what additional metadata to include (tags, publication info) - Herb submitted new 1186 advertising flyer to be added File System/Naming Work - Ron investigating interfaces between Medley and Unix file systems - Challenges with Unicode support, particularly for emoji - Need to test both Interlisp and Common Lisp file operations Notecards Manual - Frank moved V2 manual into Notecards directory - All T-Edit files working in V2, obsolete 1.2 files can be ignored - Frank testing Notecards functionality in latest PR Online Clipboard Issue - Reports of clipboard issues on online.interlisp.org a few weeks ago - Latest build (Oct 8) may have fixed it, but needs re-testing - VNC clipboard interaction may complicate things Next Steps - Abhik to prepare Primer for next week, investigate Gitbook setup - Bill to continue bibliography refinements on staging site - Ron to continue file system investigations, test Common Lisp side - Frank to work on table of contents generation for IRM files - Ryan to re-test clipboard functionality on online.interlisp.org

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Meeting with Interlisp Medley Interlisp External weekly October 15, 2025  •  118 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly status update and discussion on Medley Interlisp development Key Takeaways New Primer chapters added on file browser and variable bindings/scope Bibliography work progressing well on staging site File system/naming issues being investigated, particularly for Unicode support Clipboard functionality on online.interlisp.org may need re-testing Topics Primer Updates Abhik added new chapters on file browser and variable bindings/scope Considering adding historical photos to humanize the content Need to figure out Gitbook setup for publication Planning to use primer.interlisp.org subdomain Key Bindings Documentation Suggestion to add basic key binding cheat sheet, possibly as T-Edit document Larry has spreadsheet comparing key bindings across systems Need to balance providing useful defaults vs. context-specific bindings Bibliography Progress Bill made updates to author formatting on staging site Considering what additional metadata to include (tags, publication info) Herb submitted new 1186 advertising flyer to be added File System/Naming Work Ron investigating interfaces between Medley and Unix file systems Challenges with Unicode support, particularly for emoji Need to test both Interlisp and Common Lisp file operations Notecards Manual Frank moved V2 manual into Notecards directory All T-Edit files working in V2, obsolete 1.2 files can be ignored Frank testing Notecards functionality in latest PR Online Clipboard Issue Reports of clipboard issues on online.interlisp.org a few weeks ago Latest build (Oct 8) may have fixed it, but needs re-testing VNC clipboard interaction may complicate things Next Steps Abhik to prepare Primer for next week, investigate Gitbook setup Bill to continue bibliography refinements on staging site Ron to continue file system investigations, test Common Lisp side Frank to work on table of contents generation for IRM files Ryan to re-test clipboard functionality on online.interlisp.org View Meeting →

[Fathom]

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, open PRs, and ongoing development efforts. Key Takeaways - Font-related PR (2280) approved after addressing review comments - New UTF-8 file name handling implemented for Mac, needs testing on Windows - Significant increase in Medley Online guest logins (500 in last month) - Progress made on manual formatting and bibliography updates Topics Open PRs and Code Reviews - PR-2280 (font-related) approved after addressing rename request - PR-2292 (Windows-specific changes) approved based on Frank's testing - GitFunds status display updated to show 'C' for changes requested - Discussion on handling PRs with requested changes and approval workflows UTF-8 File Name Handling - Ron implemented UTF-8 file name handling for Mac OS - New functions: M-to-UTF-8-string and UTF-8-to-M-string - Allows creation and viewing of non-ASCII filenames (e.g., Greek characters) - Changes made to Unicode file loading order in system startup - Need to test implementation on Windows and consider handling of combining characters Manual and Documentation Updates - Frank working on table of contents functionality for manuals - Files in Medley-IRM available for editing, though sectioning not fully implemented - Discussion on using IAM index and other DocTools for formatting Medley Online Usage - 31 logins with named users in the last month - 500 guest logins, significantly higher than usual - Potential increase due to recent social media sharing of Medley features Miscellaneous Updates - Steve recovering from kidney stone surgery complications - Interlisp.org now listed in Secretary of State's online database of charities - Organization has about $27,000 in funds, with low monthly AWS spending Next Steps - Test UTF-8 file name handling on Windows - Continue work on manual formatting and bibliography updates - Investigate and potentially implement handling of combining characters in UTF-8 conversion - Monitor Medley Online usage for any significant increases in load - Review and provide feedback on the updated Interlisp Primer

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Meeting with Interlisp Medley Interlisp Implementation weekly October 20, 2025  •  75 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Weekly Medley Interlisp Implementation meeting to discuss progress, open PRs, and ongoing development efforts. Key Takeaways Font-related PR (2280) approved after addressing review comments New UTF-8 file name handling implemented for Mac, needs testing on Windows Significant increase in Medley Online guest logins (500 in last month) Progress made on manual formatting and bibliography updates Topics Open PRs and Code Reviews PR-2280 (font-related) approved after addressing rename request PR-2292 (Windows-specific changes) approved based on Frank's testing GitFunds status display updated to show 'C' for changes requested Discussion on handling PRs with requested changes and approval workflows UTF-8 File Name Handling Ron implemented UTF-8 file name handling for Mac OS New functions: M-to-UTF-8-string and UTF-8-to-M-string Allows creation and viewing of non-ASCII filenames (e.g., Greek characters) Changes made to Unicode file loading order in system startup Need to test implementation on Windows and consider handling of combining characters Manual and Documentation Updates Frank working on table of contents functionality for manuals Files in Medley-IRM available for editing, though sectioning not fully implemented Discussion on using IAM index and other DocTools for formatting Medley Online Usage 31 logins with named users in the last month 500 guest logins, significantly higher than usual Potential increase due to recent social media sharing of Medley features Miscellaneous Updates Steve recovering from kidney stone surgery complications Interlisp.org now listed in Secretary of State's online database of charities Organization has about $27,000 in funds, with low monthly AWS spending Next Steps Test UTF-8 file name handling on Windows Continue work on manual formatting and bibliography updates Investigate and potentially implement handling of combining characters in UTF-8 conversion Monitor Medley Online usage for any significant increases in load Review and provide feedback on the updated Interlisp Primer View Meeting →

[Fathom]

Meeting Purpose Review project updates, resolve technical issues, and plan community engagement. Key Takeaways - Primer Restructure: The Interlisp Primer will be restructured for better flow, using established Lisp books (e.g., Practical Common Lisp) as a guide. - GitHub CLI Fix: The gh issue view command error (issue #2325) is caused by an outdated gh CLI version (2.45) installed via apt. The fix is to install the latest version (2.82.1) via brew or direct download. - Game Jam Demo: Ryan will create a game for the Autumn Lisp Game Jam. The team will add a feature to the online environment to load and run the game's Lisp source file directly, providing a simple, interactive demo. - Bibliography Data Cleanup: The bibliography page is blocked by data errors in Zotero (e.g., incorrect author formats). Matt and Bill require edit access to clean the source data, as coding workarounds are inefficient. Topics Documentation & Website Updates - Gitbook Primer: - Goal: Publish the Primer on Gitbook, potentially integrating the Interlisp Reference Manual (IRM) for a unified, searchable site. - Feedback: The current structure is confusing for new users. - Problem: Jumps between concepts (atoms, lists, functions) without a clear, logical progression. - Solution: Restructure the introduction based on established Lisp books. - Engineering Computer Museum: - Action: Ping Stephen Jones for an update on their exhibit and collaboration request. - GitHub Repo Cleanup (Issue #11.12): - Decision: Rename obsolete repos with an obsolete- prefix instead of deleting them, preserving history without cluttering the main list. - Admin Resource List (Issue #1542): - Goal: Create a central list of admins, access levels, and credentials. - Storage: A private GitHub repo is the preferred option for better access control than a shared drive. - Bibliography Page: - Progress: Bill is building out individual bibliography entries. - Blocker: Data errors in Zotero (e.g., incorrect author formats, stray text in abstracts) prevent accurate rendering. - Action: Matt and Bill need edit access to Zotero to clean the source data. Technical Deep Dives - GitHub Projects Migration: - Status: The organization was automatically migrated to the new GitHub Projects. - Issue: The gh issue view command fails with a deprecation warning (issue #2325). - Root Cause: An outdated gh CLI version (2.45) from apt is the problem. The latest version (2.82.1) works correctly. - Filename Encoding (Windows/WSL): - Context: A bug fix for GitFunds (related to underscores in filenames) raised questions about filename encoding on Windows/WSL. - Hypothesis: WSL and Cygwin handle UTF-8/UTF-16 conversion automatically, making a simple UTF-8 approach sufficient. - Action: Experiment with non-ASCII filenames on Windows/WSL to validate the hypothesis. - Snap Issues (Ubuntu): - Problem: Ryan's Ubuntu setup has issues with Medley opening Snap-installed browsers. - Diagnosis: Frank suspects a Snap-related environment variable issue. The gh CLI team also advises against Snap installs due to runtime problems. Community & Outreach - Autumn Lisp Game Jam: - Plan: Ryan will create a simple game (Hungarian ring puzzle) for the jam to showcase Medley. - Demo Strategy: Provide a Lisp source file, not a full image, for users to load and run in the online environment. - Action: Add a feature to the online environment to load an init file from a URL, enabling simple, interactive demos. - "Zen of Interlisp" Idea: - Concept: A set of aphorisms to capture the spirit and idioms of Interlisp, similar to Python's "Zen." - Examples: "Managed is better than unmerged," "Windows are streams." - Action: Paolo will open a GitHub issue to collect ideas. Next Steps - Abhik: - Continue work on the Gitbook Primer; publish in one week. - Open a GitHub issue to collect "Zen of Interlisp" aphorisms. - Ron: - Ping Stephen Jones at the Engineering Computer Museum. - Fix the local gh CLI installation. - Experiment with non-ASCII filenames on Windows/WSL to test encoding. - Paolo: - Update issue #1542 with the private repo proposal for admin resources. - Bill: - Push bibliography updates to the staging site for review. - Matt: - Get edit access to Zotero to clean bibliography data. - Ryan: - Create a game for the Autumn Lisp Game Jam. - Frank: - Investigate adding a URL-based init file loader to the online environment. - Larry: - Investigate public availability of Xerox Quintus Prologue documents.

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Meeting with Interlisp Medley Interlisp External weekly October 22, 2025  •  117 mins  •  View Meeting

Action Items ✨ No action items detected in this meeting Meeting Summary ✨

Meeting Purpose Review project updates, resolve technical issues, and plan community engagement. Key Takeaways Primer Restructure: The Interlisp Primer will be restructured for better flow, using established Lisp books (e.g., Practical Common Lisp) as a guide. GitHub CLI Fix: The gh issue view command error (issue #2325) is caused by an outdated gh CLI version (2.45) installed via apt. The fix is to install the latest version (2.82.1) via brew or direct download. Game Jam Demo: Ryan will create a game for the Autumn Lisp Game Jam. The team will add a feature to the online environment to load and run the game's Lisp source file directly, providing a simple, interactive demo. Bibliography Data Cleanup: The bibliography page is blocked by data errors in Zotero (e.g., incorrect author formats). Matt and Bill require edit access to clean the source data, as coding workarounds are inefficient. Topics Documentation & Website Updates Gitbook Primer: Goal: Publish the Primer on Gitbook, potentially integrating the Interlisp Reference Manual (IRM) for a unified, searchable site. Feedback: The current structure is confusing for new users. Problem: Jumps between concepts (atoms, lists, functions) without a clear, logical progression. Solution: Restructure the introduction based on established Lisp books. Engineering Computer Museum: Action: Ping Stephen Jones for an update on their exhibit and collaboration request. GitHub Repo Cleanup (Issue #11.12): Decision: Rename obsolete repos with an obsolete- prefix instead of deleting them, preserving history without cluttering the main list. Admin Resource List (Issue #1542): Goal: Create a central list of admins, access levels, and credentials. Storage: A private GitHub repo is the preferred option for better access control than a shared drive. Bibliography Page: Progress: Bill is building out individual bibliography entries. Blocker: Data errors in Zotero (e.g., incorrect author formats, stray text in abstracts) prevent accurate rendering. Action: Matt and Bill need edit access to Zotero to clean the source data. Technical Deep Dives GitHub Projects Migration: Status: The organization was automatically migrated to the new GitHub Projects. Issue: The gh issue view command fails with a deprecation warning (issue #2325). Root Cause: An outdated gh CLI version (2.45) from apt is the problem. The latest version (2.82.1) works correctly. Filename Encoding (Windows/WSL): Context: A bug fix for GitFunds (related to underscores in filenames) raised questions about filename encoding on Windows/WSL. Hypothesis: WSL and Cygwin handle UTF-8/UTF-16 conversion automatically, making a simple UTF-8 approach sufficient. Action: Experiment with non-ASCII filenames on Windows/WSL to validate the hypothesis. Snap Issues (Ubuntu): Problem: Ryan's Ubuntu setup has issues with Medley opening Snap-installed browsers. Diagnosis: Frank suspects a Snap-related environment variable issue. The gh CLI team also advises against Snap installs due to runtime problems. Community & Outreach Autumn Lisp Game Jam: Plan: Ryan will create a simple game (Hungarian ring puzzle) for the jam to showcase Medley. Demo Strategy: Provide a Lisp source file, not a full image, for users to load and run in the online environment. Action: Add a feature to the online environment to load an init file from a URL, enabling simple, interactive demos. "Zen of Interlisp" Idea: Concept: A set of aphorisms to capture the spirit and idioms of Interlisp, similar to Python's "Zen." Examples: "Managed is better than unmerged," "Windows are streams." Action: Paolo will open a GitHub issue to collect ideas. Next Steps Abhik: Continue work on the Gitbook Primer; publish in one week. Open a GitHub issue to collect "Zen of Interlisp" aphorisms. Ron: Ping Stephen Jones at the Engineering Computer Museum. Fix the local gh CLI installation. Experiment with non-ASCII filenames on Windows/WSL to test encoding. Paolo: Update issue #1542 with the private repo proposal for admin resources. Bill: Push bibliography updates to the staging site for review. Matt: Get edit access to Zotero to clean bibliography data. Ryan: Create a game for the Autumn Lisp Game Jam. Frank: Investigate adding a URL-based init file loader to the online environment. Larry: Investigate public availability of Xerox Quintus Prologue documents. View Meeting →

[Fathom]

Meeting Purpose Review PRs, sync on project status, and discuss future work. Key Takeaways - MCCS File Naming PR (RMK131) Approved: This PR enables Medley to correctly handle Unicode filenames (e.g., Greek letters) on Windows and WSL, resolving a long-standing compatibility issue. - Critical Bug Found in RMK131: A follow-up test revealed that expunge and del file commands fail for Unicode filenames, requiring an immediate fix before the PR can be merged. - GitFunds PR (2321) Approved: This PR improves Git integration by treating the clone directory as a standard Unix device, simplifying the workflow and fixing a bug where new directories were not created for copied files. - New Initiatives: Future work will focus on extending MCCS to support combining characters and creating a "runnable screenshots" feature for the online interpreter to improve documentation and museum demos. Topics MCCS File Naming PR (RMK131) - Problem: Medley could not correctly handle Unicode characters in filenames on Windows and WSL. - Solution: PR RMK131 implements MCCS encoding for file operations, enabling proper translation between Medley's internal strings and the host OS's filesystem. - Testing: - Initial Success: Tests confirmed correct handling of underscores and Greek letters (e.g., Lambda) in filenames, including creation, listing, and renaming. - Critical Failure: expunge and del file commands failed for these Unicode filenames on both Windows and Mac, indicating a bug in the deletion logic. - Status: Approved pending a fix for the deletion bug. GitFunds PR (2321) - Problem: The GWC command (Git Working Copy) created clutter in the clone directory by retaining Medley's internal version numbers, which are irrelevant to Git. - Solution: The PR treats the clone directory as a standard Unix device, preventing GWC from adding version numbers. - Additional Fixes: - Interprets Git's "copy" operation as an "add" to ensure new directories are created. - Adds the function name to the PRC comparison window title for better context. - Status: Approved. Other PRs Reviewed - PR 2322 (Which Key Utility): Adds documentation and more info (key number) for the keyboard testing tool. Approved. - PR 2323 (Edit Font Bug Fix): Fixes a bug in the font bitmap editor where changes were not saved correctly. Approved. - PR 2324 (Doc Cleanup): Moves T-Edit-specific documentation from the modernized doc. Approved. - PR 2326 (TIAIDA Window Placement): Improves TIAIDA's initial window placement heuristics. Approved. Project Updates & Future Work - Bibliography Cleanup: - Progress: Bill added taxonomy and author filtering; Matt fixed typos and improved abstract formatting. - Data Quality: The Zotero source has inconsistent author names (e.g., "Bobro DG" vs. "Bobro Daniel"). - Future: Create issues for enhancements like displaying contributor types and normalizing author names. - HTML Stream MCCS Migration: Herb will update the HTML stream implementation to use MCCS for font metrics and Unicode mappings. - Kubuntu shell open Bug: Frank is investigating a bug where shell open fails on Kubuntu. The issue is specific to the create process stream path, which differs from the working chat shell path. A potential workaround is to call applications directly instead of using xdg-open. - "Runnable Screenshots" Feature: - Goal: Create a feature for the online.interlisp.org interpreter to load a specific state from a URL, enabling interactive examples in documentation and museum demos. - Implementation: The init file will fetch a script from a URL (e.g., GitHub) and execute it. Next Steps - Ron: - Fix the expunge and del file bug in RMK131 and request re-approval. - Merge approved PRs: 2321, 2322, 2323, 2324, 2326. - Create an issue for combining character support. - Matt: - Re-test RMK131 on Windows after the fix. - Create issues for bibliography enhancements. - Herb: - Begin HTML stream MCCS migration. - Share converted email files with Larry via Google Drive. - Frank: - Continue investigating the Kubuntu shell open bug. - Scope the "runnable screenshots" feature. - Larry: - Publish the Primer to a GitHub.io site with a custom URL.

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Meeting with Interlisp Medley Interlisp Implementation weekly October 27, 2025  •  104 mins  •  View Meeting

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Meeting Purpose Review PRs, sync on project status, and discuss future work. Key Takeaways MCCS File Naming PR (RMK131) Approved: This PR enables Medley to correctly handle Unicode filenames (e.g., Greek letters) on Windows and WSL, resolving a long-standing compatibility issue. Critical Bug Found in RMK131: A follow-up test revealed that expunge and del file commands fail for Unicode filenames, requiring an immediate fix before the PR can be merged. GitFunds PR (2321) Approved: This PR improves Git integration by treating the clone directory as a standard Unix device, simplifying the workflow and fixing a bug where new directories were not created for copied files. New Initiatives: Future work will focus on extending MCCS to support combining characters and creating a "runnable screenshots" feature for the online interpreter to improve documentation and museum demos. Topics MCCS File Naming PR (RMK131) Problem: Medley could not correctly handle Unicode characters in filenames on Windows and WSL. Solution: PR RMK131 implements MCCS encoding for file operations, enabling proper translation between Medley's internal strings and the host OS's filesystem. Testing: Initial Success: Tests confirmed correct handling of underscores and Greek letters (e.g., Lambda) in filenames, including creation, listing, and renaming. Critical Failure: expunge and del file commands failed for these Unicode filenames on both Windows and Mac, indicating a bug in the deletion logic. Status: Approved pending a fix for the deletion bug. GitFunds PR (2321) Problem: The GWC command (Git Working Copy) created clutter in the clone directory by retaining Medley's internal version numbers, which are irrelevant to Git. Solution: The PR treats the clone directory as a standard Unix device, preventing GWC from adding version numbers. Additional Fixes: Interprets Git's "copy" operation as an "add" to ensure new directories are created. Adds the function name to the PRC comparison window title for better context. Status: Approved. Other PRs Reviewed PR 2322 (Which Key Utility): Adds documentation and more info (key number) for the keyboard testing tool. Approved. PR 2323 (Edit Font Bug Fix): Fixes a bug in the font bitmap editor where changes were not saved correctly. Approved. PR 2324 (Doc Cleanup): Moves T-Edit-specific documentation from the modernized doc. Approved. PR 2326 (TIAIDA Window Placement): Improves TIAIDA's initial window placement heuristics. Approved. Project Updates & Future Work Bibliography Cleanup: Progress: Bill added taxonomy and author filtering; Matt fixed typos and improved abstract formatting. Data Quality: The Zotero source has inconsistent author names (e.g., "Bobro DG" vs. "Bobro Daniel"). Future: Create issues for enhancements like displaying contributor types and normalizing author names. HTML Stream MCCS Migration: Herb will update the HTML stream implementation to use MCCS for font metrics and Unicode mappings. Kubuntu shell open Bug: Frank is investigating a bug where shell open fails on Kubuntu. The issue is specific to the create process stream path, which differs from the working chat shell path. A potential workaround is to call applications directly instead of using xdg-open. "Runnable Screenshots" Feature: Goal: Create a feature for the online.interlisp.org interpreter to load a specific state from a URL, enabling interactive examples in documentation and museum demos. Implementation: The init file will fetch a script from a URL (e.g., GitHub) and execute it. Next Steps Ron: Fix the expunge and del file bug in RMK131 and request re-approval. Merge approved PRs: 2321, 2322, 2323, 2324, 2326. Create an issue for combining character support. Matt: Re-test RMK131 on Windows after the fix. Create issues for bibliography enhancements. Herb: Begin HTML stream MCCS migration. Share converted email files with Larry via Google Drive. Frank: Continue investigating the Kubuntu shell open bug. Scope the "runnable screenshots" feature. Larry: Publish the Primer to a GitHub.io site with a custom URL. View Meeting →

[Fathom]

Meeting Purpose Review weekly progress, discuss technical challenges, and plan project next steps. Key Takeaways - Raw XNS Networking Achieved: Nick enabled raw XNS networking on macOS/FreeBSD by implementing a polling workaround for macOS's broken SIGIO support on BPF. This bypasses the Dodo server, simplifying network setup. - New "Museum Mode" for Demos: Frank added a start= URL parameter to online/guest to load custom Lisp files on startup, enabling self-contained demos. A new shell.wget function allows these scripts to fetch files from the web. - File Versioning Conflict Identified: A core conflict was found between Medley's DSK device (which treats the unversioned file as the latest) and Unix file operations, which can create versioned files that Medley then ignores. - Primer Domain Finalized: The Medley Primer is now live at primer.interlisp.org. This frees up docs.interlisp.org for a future landing page and avoids an extra click for users. Topics Networking: Raw XNS Implementation - Nick enabled raw XNS networking on macOS and FreeBSD using libpcap and BPF. - Problem: macOS's BPF implementation does not support SIGIO for asynchronous I/O, causing Medley's network handler to miss packets. - Solution: A polling workaround was implemented, calling the Ethernet handler every 20,000 microinstructions to check for data. - Status: Packets can be sent between machines. An NS Echo server is being adapted from Bill Van Melle's 1980s PUP code. - Future Work: - Dodo Server: Herb will investigate updating the Dodo server's Java-based libpcap dependency to support raw XNS. - Startup Delay: Enabling raw XNS adds a ~5-second startup delay while Medley waits for a PUP address from a gateway. "Museum Mode" for Demos - Frank implemented a "museum mode" for online/guest to run self-contained demos. - Mechanism: The start= URL parameter loads a URI-encoded Lisp file at the end of the online init process. - Example: A demo using the Kinetic app is available in the Snapshots discussion group. - New Utility: shell.wget was added to download files from the web within startup scripts. - Limitation: It lacks error handling, as the underlying C subr does not return the shell exit code. File System & Versioning Conflicts - The shell.wget work revealed a conflict between Medley's DSK device and Unix file operations. - Medley's DSK Device Logic: - Accessing a file without a version number (e.g., DSK:FOO) always retrieves the highest version. - Creating a new version (e.g., DSK:FOO~3~) automatically links it to the unversioned name. - The Conflict: - A Unix command (like wget) creates a file (e.g., foo~2~). - Medley's DSK device then ignores this file, as it's not linked to the unversioned name. - Medley will create a new version (e.g., foo~3~) and link that to foo, effectively hiding the Unix-created file. - Solution: The Lisp code must create the file via DSK first to ensure proper version linking, then pass its Unix path to the external command. Packages & Symbol Management - The team discussed using packages for better code organization, using T-Edit as a potential test case. - Motivation: - Cleaner code by removing repetitive module prefixes (e.g., T-EDIT.). - Improved developer workflow by reducing typos. - Challenges: - Symbol Persistence: Symbols are not garbage collected, so loading many packages could exhaust memory. - whereis Database: The whereis database needs to handle symbols from packages that are not currently loaded. - Compatibility: Package-ifying a core module like T-Edit could break other code that relies on its global symbols. - Proposed Solution: Create a "file package" type that allows the whereis database to locate package definitions on disk, enabling on-demand loading. Project Admin & Updates - Medley Primer Domain: The Primer is now live at primer.interlisp.org. This frees docs.interlisp.org for a future landing page. - Ellie's Talk: Ellie will give an extended presentation on the Medley project for World Digital Preservation Day (Nov 7). - GitFunds Update: Ron updated GitFunds to preserve the original version of a file during a copy operation, enabling accurate comparisons. - PDF Generation: The team discussed ensuring generated PDFs use the correct title (from the source file) instead of a temporary filename. Next Steps - Herb: - Change the Medley Primer domain to primer.interlisp.org. - Move relevant publications into the "bibliography" collection for Bill Stumbo's online bibliography. - Investigate updating the Dodo server's libpcap dependency for raw XNS support. - Frank: - Update shell.wget to create files via the DSK device first, resolving the versioning conflict. - Add a disclaimer to the Medley desktop for "museum mode" demos. - Ron: - Finalize and document the image file and printing changes. - Merge the Kinetic PR. - Paolo: - Create a GitHub Discussion on better integrating packages with the file system. - Larry: - Create a GitHub Issue to refactor the main Medley README, removing content that overlaps with the Primer and website.

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November 03, 2025  •  125 mins  •  View Meeting or Ask Fathom Action Items ✨ Post World Digital Preservation Day announcement w/ link to event page; footnote Ellie’s talk Larry Masinter-lisp Fix XNS NS Echo server to deliver packets to NS socket Nick Briggs Review NoteCards remote database code for NS protocol Frank Halasz Investigate returning shell exit status via process stream EOF Nick Briggs Fix Unix-file-name to return nil for non-existent input files Ron Kaplan Update shell.wget to create DSK file first; link unversioned to highest version Frank Halasz Move miscategorized papers into 'exported to bibliography' collection Herb Jellinek Create GitHub issue: streamline Medley README; remove Primer/website overlap Larry Masinter-lisp Approve/merge Ron’s GitFunds/XCCS PRs Larry Masinter-lisp Merge Frank’s Kinetic close-window PR Larry Masinter-lisp Verify PDF title metadata for PDF streams; update ps2pdf if needed Ron Kaplan Test NIT file load w/ new PDF stream; report issues Ron Kaplan Draft plan to package T-Edit; identify external symbols Ron Kaplan Create GitHub Discussion: packages + file-package integration Paolo Amoroso Meeting Summary ✨ Meeting Purpose Review weekly progress, discuss technical challenges, and plan project next steps. Key Takeaways Raw XNS Networking Achieved: Nick enabled raw XNS networking on macOS/FreeBSD by implementing a polling workaround for macOS's broken SIGIO support on BPF. This bypasses the Dodo server, simplifying network setup. New "Museum Mode" for Demos: Frank added a start= URL parameter to online/guest to load custom Lisp files on startup, enabling self-contained demos. A new shell.wget function allows these scripts to fetch files from the web. File Versioning Conflict Identified: A core conflict was found between Medley's DSK device (which treats the unversioned file as the latest) and Unix file operations, which can create versioned files that Medley then ignores. Primer Domain Finalized: The Medley Primer is now live at primer.interlisp.org. This frees up docs.interlisp.org for a future landing page and avoids an extra click for users. Topics Networking: Raw XNS Implementation Nick enabled raw XNS networking on macOS and FreeBSD using libpcap and BPF. Problem: macOS's BPF implementation does not support SIGIO for asynchronous I/O, causing Medley's network handler to miss packets. Solution: A polling workaround was implemented, calling the Ethernet handler every 20,000 microinstructions to check for data. Status: Packets can be sent between machines. An NS Echo server is being adapted from Bill Van Melle's 1980s PUP code. Future Work: Dodo Server: Herb will investigate updating the Dodo server's Java-based libpcap dependency to support raw XNS. Startup Delay: Enabling raw XNS adds a ~5-second startup delay while Medley waits for a PUP address from a gateway. "Museum Mode" for Demos Frank implemented a "museum mode" for online/guest to run self-contained demos. Mechanism: The start= URL parameter loads a URI-encoded Lisp file at the end of the online init process. Example: A demo using the Kinetic app is available in the Snapshots discussion group. New Utility: shell.wget was added to download files from the web within startup scripts. Limitation: It lacks error handling, as the underlying C subr does not return the shell exit code. File System & Versioning Conflicts The shell.wget work revealed a conflict between Medley's DSK device and Unix file operations. Medley's DSK Device Logic: Accessing a file without a version number (e.g., DSK:FOO) always retrieves the highest version. Creating a new version (e.g., DSK:FOO~3~) automatically links it to the unversioned name. The Conflict: A Unix command (like wget) creates a file (e.g., foo~2~). Medley's DSK device then ignores this file, as it's not linked to the unversioned name. Medley will create a new version (e.g., foo~3~) and link that to foo, effectively hiding the Unix-created file. Solution: The Lisp code must create the file via DSK first to ensure proper version linking, then pass its Unix path to the external command. Packages & Symbol Management The team discussed using packages for better code organization, using T-Edit as a potential test case. Motivation: Cleaner code by removing repetitive module prefixes (e.g., T-EDIT.). Improved developer workflow by reducing typos. Challenges: Symbol Persistence: Symbols are not garbage collected, so loading many packages could exhaust memory. whereis Database: The whereis database needs to handle symbols from packages that are not currently loaded. Compatibility: Package-ifying a core module like T-Edit could break other code that relies on its global symbols. Proposed Solution: Create a "file package" type that allows the whereis database to locate package definitions on disk, enabling on-demand loading. Project Admin & Updates Medley Primer Domain: The Primer is now live at primer.interlisp.org. This frees docs.interlisp.org for a future landing page. Ellie's Talk: Ellie will give an extended presentation on the Medley project for World Digital Preservation Day (Nov 7). GitFunds Update: Ron updated GitFunds to preserve the original version of a file during a copy operation, enabling accurate comparisons. PDF Generation: The team discussed ensuring generated PDFs use the correct title (from the source file) instead of a temporary filename. Next Steps Herb: Change the Medley Primer domain to primer.interlisp.org. Move relevant publications into the "bibliography" collection for Bill Stumbo's online bibliography. Investigate updating the Dodo server's libpcap dependency for raw XNS support. Frank: Update shell.wget to create files via the DSK device first, resolving the versioning conflict. Add a disclaimer to the Medley desktop for "museum mode" demos. Ron: Finalize and document the image file and printing changes. Merge the Kinetic PR. Paolo: Create a GitHub Discussion on better integrating packages with the file system. Larry: Create a GitHub Issue to refactor the main Medley README, removing content that overlaps with the Primer and website.

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[Fathom]

Meeting Purpose Weekly sync on Medley Interlisp development progress and blockers. Key Takeaways - Network Stack Autoconfig Failure: The network stack fails to autoconfigure on fresh sysouts because it doesn't install the required ZIP packet filter, blocking XNS services like PupLookup. - T-Edit Rendering Bug: A bug causes text in read-only T-Edit windows to appear underlined, as if selected. The issue is triggered by a full-window T-Edit-Delete and persists until a user click clears the state. - Keyboard Key Mapping Conflict: The "Del" key's action is inconsistent across apps (T-Edit, TTYN, Sketch) due to a conflict between modern expectations (delete forward) and historical Medley behavior (delete word backward). - Museum Mode Package Loading: Museum Mode's dynamic script loading is blocked by a package system limitation: a script cannot reference a symbol from a package that hasn't been fully loaded yet. Topics Network Stack Autoconfiguration - Problem: The network stack fails to autoconfigure on fresh sysouts (built without Ethernet enabled) because it doesn't install the required ZIP packet filter. - Impact: Blocks XNS services like PupLookup and NS Echo User. - Finding: The ether-event-fun is called, but the critical \ns-init function (which installs the filter) is not reliably executed. - Workaround: Manually install the filter to enable services. - PupLookup Progress: A working PupLookup implementation now runs on macOS and FreeBSD, successfully answering XNS requests. - PCAP Simplification: The PupLookup code could be adapted to create a simple C-based raw XNS-to-Dodo NetHub translator, replacing the complex Java PCAP layer. - PCAP Autoconfig Challenges: - Linux: Requires separate code from BSD standards for datalink layer info. - Solaris: Does not provide the datalink address via standard APIs. - macOS: Requires Wireshark installation to get the chmod-bpf startup script, enabling non-root access to the Ethernet interface. T-Edit Rendering Bug - Problem: Text in read-only T-Edit windows appears underlined, as if selected. - Trigger: The bug occurs after a full-window T-Edit-Delete followed by a T-Edit-String-Change (or stream print). - Symptoms: - Redisplay thickens lines, suggesting an off-by-one rendering error. - A user click clears the underlining, confirming a selection state issue. - Hypothesis: The T-Edit-Delete operation implicitly sets a selection state that isn't cleared on subsequent redraws. Keyboard Key Mapping Conflict - Problem: The "Del" key's action is inconsistent across applications. - Conflict: - Modern Expectation (T-Edit): Delete character forward. - Historical Medley (TTYN, Sketch): Delete word backward (via Ctrl-W). - Root Cause: The DEL and DELETE key names are synonyms for key 46, but this physical key doesn't exist on most modern keyboards. The Delete key on a Mac laptop maps to Lisp's Backspace (key 15), while Fn-Delete maps to key 13, which is currently bound to Ctrl-W. - Proposed Solution: 1. Distinguish Keys: Map key 13 to a unique character code (e.g., Rub-Out) instead of Ctrl-W. 2. App-Specific Behavior: Let each application (T-Edit, TTYN, Sketch) define its own action for this new code. - Rationale: This approach provides a clean distinction for applications while maintaining modern behavior in T-Edit. Museum Mode & Package Loading - Progress: Museum Mode now includes a /demo/login path for persistent user sessions and a /demo/guest path for anonymous access. - Problem: A dynamic start script (which wgets and compiles Paolo's Hexdump tool) fails to load because it cannot reference the INSPECS:HEX-DUMP symbol. - Root Cause: The script is interpreted before the INSPECS package is fully loaded, so the symbol HEX-DUMP does not yet exist within that package. - Workaround: The script uses INTERN to create the symbol, which is a fragile solution. - Correct Solution: Use FIND-SYMBOL to get a reference to the symbol by name after the package is loaded. - Alternative: The Hexdump tool could export a start function directly into the IL package to avoid this issue. Next Steps - Ron: Investigate the T-Edit underlining bug, starting with Paolo's Hexdump tool repo. - Ron: Implement the proposed keyboard mapping change to distinguish the "Del" key (key 13) from Ctrl-W. - Frank: Update Museum Mode's start script to use FIND-SYMBOL for dynamic package loading. - Frank: Add a URL input field to the standard run-medley screen to enable user-defined start scripts. - Herb: Capture and share the Jeff Schrager talk from the Kaltura platform.

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November 10, 2025  •  122 mins  •  View Meeting or Ask Fathom Action Items ✨ Check if LDE Ether root helper works on Linux/macOS Nick Briggs Clone Paolo's hexdump repo; investigate T-Edit selection/underline/thick-line bug Ron Kaplan Update museum-mode start script for Paolo's hexdump; use FIND-SYMBOL; add start-script URL field Frank Halasz Capture Jeff Schrager Kaltura talk via QuickTime; post link Herb Jellinek Meeting Summary ✨ Meeting Purpose Weekly sync on Medley Interlisp development progress and blockers. Key Takeaways Network Stack Autoconfig Failure: The network stack fails to autoconfigure on fresh sysouts because it doesn't install the required ZIP packet filter, blocking XNS services like PupLookup. T-Edit Rendering Bug: A bug causes text in read-only T-Edit windows to appear underlined, as if selected. The issue is triggered by a full-window T-Edit-Delete and persists until a user click clears the state. Keyboard Key Mapping Conflict: The "Del" key's action is inconsistent across apps (T-Edit, TTYN, Sketch) due to a conflict between modern expectations (delete forward) and historical Medley behavior (delete word backward). Museum Mode Package Loading: Museum Mode's dynamic script loading is blocked by a package system limitation: a script cannot reference a symbol from a package that hasn't been fully loaded yet. Topics Network Stack Autoconfiguration Problem: The network stack fails to autoconfigure on fresh sysouts (built without Ethernet enabled) because it doesn't install the required ZIP packet filter. Impact: Blocks XNS services like PupLookup and NS Echo User. Finding: The ether-event-fun is called, but the critical \ns-init function (which installs the filter) is not reliably executed. Workaround: Manually install the filter to enable services. PupLookup Progress: A working PupLookup implementation now runs on macOS and FreeBSD, successfully answering XNS requests. PCAP Simplification: The PupLookup code could be adapted to create a simple C-based raw XNS-to-Dodo NetHub translator, replacing the complex Java PCAP layer. PCAP Autoconfig Challenges: Linux: Requires separate code from BSD standards for datalink layer info. Solaris: Does not provide the datalink address via standard APIs. macOS: Requires Wireshark installation to get the chmod-bpf startup script, enabling non-root access to the Ethernet interface. T-Edit Rendering Bug Problem: Text in read-only T-Edit windows appears underlined, as if selected. Trigger: The bug occurs after a full-window T-Edit-Delete followed by a T-Edit-String-Change (or stream print). Symptoms: Redisplay thickens lines, suggesting an off-by-one rendering error. A user click clears the underlining, confirming a selection state issue. Hypothesis: The T-Edit-Delete operation implicitly sets a selection state that isn't cleared on subsequent redraws. Keyboard Key Mapping Conflict Problem: The "Del" key's action is inconsistent across applications. Conflict: Modern Expectation (T-Edit): Delete character forward. Historical Medley (TTYN, Sketch): Delete word backward (via Ctrl-W). Root Cause: The DEL and DELETE key names are synonyms for key 46, but this physical key doesn't exist on most modern keyboards. The Delete key on a Mac laptop maps to Lisp's Backspace (key 15), while Fn-Delete maps to key 13, which is currently bound to Ctrl-W. Proposed Solution: Distinguish Keys: Map key 13 to a unique character code (e.g., Rub-Out) instead of Ctrl-W. App-Specific Behavior: Let each application (T-Edit, TTYN, Sketch) define its own action for this new code. Rationale: This approach provides a clean distinction for applications while maintaining modern behavior in T-Edit. Museum Mode & Package Loading Progress: Museum Mode now includes a /demo/login path for persistent user sessions and a /demo/guest path for anonymous access. Problem: A dynamic start script (which wgets and compiles Paolo's Hexdump tool) fails to load because it cannot reference the INSPECS:HEX-DUMP symbol. Root Cause: The script is interpreted before the INSPECS package is fully loaded, so the symbol HEX-DUMP does not yet exist within that package. Workaround: The script uses INTERN to create the symbol, which is a fragile solution. Correct Solution: Use FIND-SYMBOL to get a reference to the symbol by name after the package is loaded. Alternative: The Hexdump tool could export a start function directly into the IL package to avoid this issue. Next Steps Ron: Investigate the T-Edit underlining bug, starting with Paolo's Hexdump tool repo. Ron: Implement the proposed keyboard mapping change to distinguish the "Del" key (key 13) from Ctrl-W. Frank: Update Museum Mode's start script to use FIND-SYMBOL for dynamic package loading. Frank: Add a URL input field to the standard run-medley screen to enable user-defined start scripts. Herb: Capture and share the Jeff Schrager talk from the Kaltura platform.

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