[wp-trac] [WordPress Trac] #51755: editor-styles theme feature naming with or without trailing s

[WordPress Trac]

#51755: editor-styles theme feature naming with or without trailing s
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 Reporter:  mmems         |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Themes        |     Version:  5.5.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by mattheu):

 I've also run into this issue, and figured it was worth a note on this
 ticket as the issue is still very much present. @mmems's description is
 correct and this can be easily reproduced by trying to use
 `add_editor_style` in a classic theme on WordPress 6.2.

 Note that for block themes, this is not an issue as `add_theme_support(
 'editor-styles' );` is called automatically as part of
 `_add_default_theme_supports`.

 I'm not sure whether this difference is intentional to distinguish block
 theme behavior from classic themes, or just a small accident when this was
 introduced. However the current state is pretty confusing. Some
 suggestions:

 * Update the function `add_editor_style` to add theme support for both
 `editor-style` and `editor-styles`?
 * Standardize on one behaviour. It doesn't seem that the older `editor-
 style` is used by core, although it's been around a long time
 ([https://core.trac.wordpress.org/ticket/11512 14 years]).
 * If it is preferred that no change is made, the documentation could be
 updated to note this behaviour.

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Ticket URL: <https://core.trac.wordpress.org/ticket/51755#comment:1>
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