Intent to Remove: Apple-interchange-newline, Apple-converted-space, Apple-paste-as-quotation, Apple-style-span, and Apple-tab-span CSS classes

[Joone Hur]

Contact emails

joon...@intel.com, yo...@chromium.org

Summary

Remove the Blink specific CSS classes: Apple-interchange-newline, Apple-converted-space, Apple-paste-as-quotation, Apple-style-span, and Apple-tab-span.

Motivation

Apple-style-span CSS class has not been generated since 2011:

https://webkit.org/blog/1737/apple-style-span-is-gone/

But, there is still the legacy code to deal with Apple-style-span class in editing.

We can also remove Apple-interchange-newline, Apple-converted-space, Apple-paste-as-quotation, and Apple-tab-span CSS classes for web platform compatibility.

Compatibility And Interoperability Risk

Low. Usage has been below the threshold for removal

Usage information from UseCounter

EditingAppleInterchangeNewline  0.0131%

EditingAppleConvertedSpace 0.0010%

EditingAppleTabSpanClass <=0.0001%

EditingApplePasteAsQuotation <=0.0001%
EditingAppleStyleSpanClass <=0.0001%

OWP launch tracking bug

https://crbug.com/383677

Entry on the feature dashboard

https://www.chromestatus.com/metrics/feature/popularity#EditingApplePasteAsQuotation

https://www.chromestatus.com/metrics/feature/popularity#EditingAppleStyleSpanClass

https://www.chromestatus.com/metrics/feature/popularity#EditingAppleTabSpanClass

https://www.chromestatus.com/metrics/feature/popularity#EditingAppleInterchangeNewline

https://www.chromestatus.com/metrics/feature/popularity#EditingAppleConvertedSpace

[Chris Harrelson]

LGTM1

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[TAMURA, Kent]

LGTM2.

> EditingAppleInterchangeNewline  0.0131%

> EditingAppleConvertedSpace 0.0010%

> EditingAppleTabSpanClass <=0.0001%

> EditingApplePasteAsQuotation <=0.0001%

> EditingAppleStyleSpanClass <=0.0001%

Do they count pages in which Blink editing code produces these classes?

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TAMURA Kent
Software Engineer, Google

[Joone Hur]

No, those classes are counted when Blink editing handles them in existing web pages.

https://codereview.chromium.org/327323005

FYI, Blink still produces EditingAppleTabSpanClass, EditingAppleInterchangeNewline, and EditingAppleConvertedSpace class.

WebKit may also produce them.

LGTM1

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[TAMURA, Kent]

I see.  Thanks.

Please make a chromestatus.com entry for this change, and describe what will happen in pages with these classes.

[Philip Jägenstedt]

LGTM3. Even if we can't get rid of all the non-standard bits here, the more that can be removed, the less there is to eventually become a compat problem for others.

[Joone Hur]

Here is the chromestatus.com entry for this change: https://www.chromestatus.com/feature/5756335865987072

[Joe Medley]

This is complete removal in 58, correct? No deprecation period?

Joe

Joe Medley | Technical Writer, Chrome DevRel | jme...@google.com | 816-678-7195

If an API's not documented it doesn't exist.

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