[wp-trac] [WordPress Trac] #52764: Classic editor adding empty <p></p> tags in some media embed situations

[WordPress Trac]

#52764: Classic editor adding empty <p></p> tags in some media embed situations
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 Reporter:  jonathanstegall  |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  5.7.1
Component:  Editor           |     Version:  5.7
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:
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Comment (by Otto42):

 Replying to [comment:3 jonathanstegall]:
 > After reinstalling 5.6.2 a few times, I think I'm starting to realize
 that (at least in some cases) this empty `<p></p>` was already there,
 seemingly because the `<figure>` is getting put inside a paragraph and the
 browser (as usual) renders it as an empty paragraph instead. But in
 previous versions the empty paragraph didn't have CSS to make it visible.
 In 5.7 there is maybe new CSS that makes it visually apparent when it
 wasn't before.
 >
 > Am I correct on this?

 I've looked at half a dozen sites reporting this issue since yesterday,
 and in all cases I've seen so far, yes, those empty P tags were already
 present in the markup for those sites, or the markup was broken in such a
 way that Chrome interpreted an empty set of P tags (such as an unclosed P
 before a DIV and similar).

 The CSS change introduced into 5.7 will make those tags have space on the
 page, but as far as I can see, there are no changes adding any new P tags
 to the page. Only the style changes as Sergey noted above.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52764#comment:10>
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