[wp-trac] [WordPress Trac] #64771: Existing block level custom CSS in a post breaks when the post is edited by user without unfiltered_html

[WordPress Trac]

#64771: Existing block level custom CSS in a post breaks when the post is edited by
user without unfiltered_html
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 Reporter:  glendaviesnz              |       Owner:  (none)
     Type:  defect (bug)              |      Status:  new
 Priority:  high                      |   Milestone:  7.0
Component:  Editor                    |     Version:  trunk
 Severity:  critical                  |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
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Comment (by ramonopoly):

 > won't stop users from potentially breaking a page without the ability to
 unbreak it.

 Wouldn't revisions mitigate this somewhat?

 Given the back and forth on this issue, and the lengths folks went to
 explore various solutions, I don't see a path to 7.0 that will satisfy
 everyone.

 See, for example, https://github.com/WordPress/wordpress-
 develop/pull/11104

 Stripping was seen as the quickest and most consistent approach, similar
 to how the HTML block operates.

 What do you folks think? Interested to hear alternatives.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64771#comment:44>
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