Dear Sage community,
In case you want a summary: the old code of conduct was pretty short, so some details were added, and whole new sections were added. The proposed changes were greatly inspired by similar documents from the SciPy and NumFOCUS projects, and the proposed code now includes sections on diversity, how to report potential violations, names of the committee members, and what is necessary to amend the document. There is also a new document, a manual for the Code of Conduct Committee, which describes what that committee does and what actions it might take to respond to reports. That document is a modified version of SciPy's corresponding document.
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John