[wp-trac] [WordPress Trac] #25820: [embed] shortcode can't be escaped like others

[WordPress Trac]

#25820: [embed] shortcode can't be escaped like others
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 Reporter:  MadtownLems   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Shortcodes    |     Version:
 Severity:  minor         |  Resolution:
 Keywords:                |
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Description changed by SergeyBiryukov:

Old description:

> WordPress allows the use of double brackets to escape shortcodes, so that
> entering {{{[}}}{{{[}}}foo{{{]}}}{{{]}}} in your page or post displays
> [foo].  This works great for most shortcodes, and is used in the
> following way on enclosed shortcodes:  {{{[}}}[foo]Hello![/foo]{{{]}}}
>
> However, this feature fails when trying to use it with core's 'embed'
> shortcode.
>
> To replicate:
>
> Enter the following in a page or post:
> {{{[}}}{{{[}}}embed{{{]}}}http://www.youtube.com/watch?v=YLO7tCdBVrA[/embed{{{]}}}{{{]}}}
>
> What I expect to see:
> [embed]http://www.youtube.com/watch?v=YLO7tCdBVrA[/embed]
>
> What I really see:
> (null)
>
> (Apologies for the weird mix of [, ], and special characters here. had a
> hard time with getting the markup to render as I wanted.)

New description:

 WordPress allows the use of double brackets to escape shortcodes, so that
 entering `[[foo]]` in your page or post displays `[foo]`.  This works
 great for most shortcodes, and is used in the following way on enclosed
 shortcodes:  `[[foo]Hello![/foo]]`

 However, this feature fails when trying to use it with core's 'embed'
 shortcode.

 To replicate:

 Enter the following in a page or post:
 `[[embed]http://www.youtube.com/watch?v=YLO7tCdBVrA[/embed]]`

 What I expect to see:
 `[embed]http://www.youtube.com/watch?v=YLO7tCdBVrA[/embed]`

 What I really see:
 `(null)`

 (Apologies for the weird mix of [, ], and special characters here. had a
 hard time with getting the markup to render as I wanted.)

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Ticket URL: <http://core.trac.wordpress.org/ticket/25820#comment:1>
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