[wp-trac] [WordPress Trac] #33116: do_shortcode('<[shortcode]') doesn't work

[WordPress Trac]

#33116: do_shortcode('<[shortcode]') doesn't work
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 Reporter:  Kleor         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.2.4
Component:  Shortcodes    |     Version:  4.2.3
 Severity:  minor         |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by miqrogroove):

 Replying to [comment:7 knutsp]:
 > Replying to [comment:6 miqrogroove]:
 > > Should we do it?  Probably not, but backward compatibility is a big
 concern on the branch versions.
 >
 > Why not? If there is a good reason why not, then this is a wontfix.

 If we had an easy choice about whether or not to encourage plugins to use
 {{{<[sender email-address]>}}} style and run do_shortcode in email
 headers, I think the answer would be "no".  It's difficult to parse, even
 more difficult to secure in this version, and we can't allow it in many
 situations anymore.  Especially in a context that is not related to post
 content, shortcodes are not even needed.  One could more easily use
 str_replace and have an arbitrary template like {{{##sender-email##}}}.
 It would run faster, not be constrained by Shortcode filters, and give the
 plugin full control of the output.

 So when I say backward compatibility is a big concern, I mean it might be
 the only reason to fix this.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33116#comment:9>
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