[wp-trac] [WordPress Trac] #33106: Automatic removal of new lines in CDATA blocks may break content with unfiltered_html

[WordPress Trac]

#33106: Automatic removal of new lines in CDATA blocks may break content with
unfiltered_html
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 Reporter:  jeremyfelt       |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  highest omg bbq  |   Milestone:  4.2.4
Component:  Formatting       |     Version:  4.2.3
 Severity:  major            |  Resolution:
 Keywords:  has-patch        |     Focuses:
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Comment (by kitchin):

 Appears that ->autoembed does not do the embedding, instead it
 canonicalizes the text for later work by the oEmbed service, and for the
 `[embed]` shortcode.

 I'm attaching my patch with a third test case, using
 `apply_filters('the_content', ....)` to get a bigger picture:

 * If youtube link: any `[embed]` is removed from around the link.
 * If youtube link: canonicalized from `http://.../embed/...` to
 `https://.../watch?v=...`.
 * Other links: `[embed]` becomes `<a href=...`.
 * Other links without `[embed]`: no change.

 Not sure the third test should be checked in, it's not targeted to a
 single issue.

 All 3 tests I've written fail before your patch and succeed after.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33106#comment:16>
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