[wp-trac] [WordPress Trac] #25387: Autoembeds don't work with paragraphs

[WordPress Trac]

#25387: Autoembeds don't work with paragraphs
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 Reporter:  Looimaster               |       Owner:
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  Future Release
Component:  Embeds                   |     Version:  3.6
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:
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Comment (by redsweater):

 @seanchayes  I don't think you should focus on whether the switch from
 Text to Visual and back happens to generate the desired outcome, that's
 sort of a side case to the main gist of this case IMHO, which is that
 fundamentally at the core the autoembed mechanism fails to generate the
 desired embeds with specific content.

 Consider that the content for any given blog post may never pass through
 the WordPress admin panel's "Visual" editor. It can't be assumed. Here is
 an easy way to reproduce the existing bug with top of trunk WordPress from
 the web admin screen:

 1. Create a new post.
 2. Switch to Text mode editing.
 3. Type or paste:
 {{{
 <p>https://www.youtube.com/watch?v=Mb9dL0cb6ho</p>
 }}}
 4. Publish.

 Also please consider that simply tacking some behavior on to the Text
 editor in WordPress's web admin panel is not a sufficient fix, because the
 content may also have come from an automated source within the blog (e.g.
 from a plugin, etc), or it may have been submitted through the WordPress
 XMLRPC API or REST API.

 The fix has to be in the core autoembed detection/substitution mechanism
 to be complete.

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Ticket URL: <https://core.trac.wordpress.org/ticket/25387#comment:21>
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