[wp-trac] [WordPress Trac] #46537: Can't use Emoji in the Custom HTML widget

[WordPress Trac]

#46537: Can't use Emoji in the Custom HTML widget
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 Reporter:  hirofumi2012                             |       Owner:  (none)
     Type:  defect (bug)                             |      Status:  new
 Priority:  normal                                   |   Milestone:  5.3
Component:  Emoji                                    |     Version:  4.8.1
 Severity:  normal                                   |  Resolution:
 Keywords:  has-screenshots has-patch needs-testing  |     Focuses:
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Changes (by pento):

 * keywords:  has-screenshots => has-screenshots has-patch needs-testing
 * milestone:  Awaiting Review => 5.3


Comment:

 This is a problem with all CodeMirror instances (eg, the plugin editor).

 [attachment:"46537.diff"] stops emoji replacement from happening inside
 CodeMirror instances, it also cleans up some of the logic in the
 `MutationObserver`.

 Note that polyfills are broken when `SCRIPT_DEBUG` is enabled (#46110), so
 this patch can only be tested on IE11 with `SCRIPT_DEBUG` set to `false`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/46537#comment:3>
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