[wp-trac] [WordPress Trac] #28564: Shortcode Attributes with HTML Tags no longer working

[WordPress Trac]

#28564: Shortcode Attributes with HTML Tags no longer working
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 Reporter:  baden03                       |       Owner:  wonderboymusic
     Type:  defect (bug)                  |      Status:  reopened
 Priority:  high                          |   Milestone:  4.0
Component:  Formatting                    |     Version:  trunk
 Severity:  major                         |  Resolution:
 Keywords:  has-patch commit wptexturize  |     Focuses:
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Comment (by kitchin):

 It's worth summarizing the big picture, I hope accurately.

 We parse for shortcodes several times.

 1. The first parse is when texturizing. To fix longstanding bugs, [28727]
 improved finding shortcodes within the context of the surrounding html.

 2. The second parse is to expand the shortcodes. The regex pattern here
 has not changed. It is somewhat different than the regex in step 1, but
 sane text should work in both.

 The pattern in step 1 is aware of `<`, `>`, but unaware of `/`, and
 unaware of registered shortcode names. The pattern in step 2 has the
 opposite qualities.

 The step 2 pattern is actually used twice, first to unwrap `<p>...</p>`
 around standalone shortcodes.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28564#comment:27>
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