[wp-trac] [WordPress Trac] #32214: Video subtitles removed from shortcode

[WordPress Trac]

#32214: Video subtitles removed from shortcode
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 Reporter:  starepod      |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  4.2.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Description changed by SergeyBiryukov:

Old description:

> I think a previously fixed bug, [#29826] has re-appeared. Subtitle
> information added to a video loaded from the Media Library is being
> stripped from the [video] shortcode when a post is saved, or when
> toggling from Visual to Text mode and back.
>
> I'm running WP 4.2.1, logged in as an admin, using the up-to-date Twenty
> Fifteen theme, and no plugins are active.
>
> If you insert the video, edit the video, add subtitles, click the Update
> button in the modal (save the update not the post) the preview shows the
> [cc] button for subtitles. If you switch to Text mode before saving the
> post you can see that the <track> tag is added, and that the angle
> brackets are HTML entities, which immediately get stripped out when
> switching back to Visual mode.

New description:

 I think a previously fixed bug, #29826 has re-appeared. Subtitle
 information added to a video loaded from the Media Library is being
 stripped from the [video] shortcode when a post is saved, or when toggling
 from Visual to Text mode and back.

 I'm running WP 4.2.1, logged in as an admin, using the up-to-date Twenty
 Fifteen theme, and no plugins are active.

 If you insert the video, edit the video, add subtitles, click the Update
 button in the modal (save the update not the post) the preview shows the
 [cc] button for subtitles. If you switch to Text mode before saving the
 post you can see that the <track> tag is added, and that the angle
 brackets are HTML entities, which immediately get stripped out when
 switching back to Visual mode.

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Ticket URL: <https://core.trac.wordpress.org/ticket/32214#comment:1>
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