[wp-trac] [WordPress Trac] #38511: Copy paste a long shortcode wpview (video, gallery... ) is broken in Firefox

[WordPress Trac]

#38511: Copy paste a long shortcode wpview (video, gallery... ) is broken in
Firefox
--------------------------+------------------------------
 Reporter:  bduclos       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  TinyMCE       |     Version:  4.6.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
--------------------------+------------------------------

Comment (by bduclos):

 On both a fresh WP trunk install and a fresh WP 4.6.1 install (no
 plugins), on Win10 and Firefox latest version (49.0.2), retested with the
 2 following methods but still having the same issue:
 - Paste the following video shortcode in Text mode and copy paste the
 wpview in Visual mode.

 {{{
 [video width="640" height="480"
 mp4="https://videos.files.wordpress.com/GbdhpGF3/video-25313e7f01_hd.mp4"
 poster="https://i2.wp.com/videos.files.wordpress.com/GbdhpGF3/video-
 25313e7f01_scruberthumbnail_0.jpg"][/video]
 }}}

 - In Visual Mode, click on Add Media, create a gallery with a lot of
 images and set its settings (Link To, Columns, Random order, Size)
 different than the default ones in order to generate a long shortcode
 string. Insert the gallery, copy and paste the wpview.
 [[Image(http://i.imgur.com/hqB1T7E.gif)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/38511#comment:3>
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