[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
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 Reporter:  bduclos       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Future Release
Component:  TinyMCE       |     Version:  4.6.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Changes (by iseulde):

 * milestone:  Awaiting Review => Future Release


Comment:

 This is a really strange issue... Scripts are run at first (so the
 contents set), but then shortly afterwards the whole iframe unloads. Try
 the patch above and you'll see it "test"in the console, then "unload".
 I've been looking for hours but couldn't find the cause so far.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38511#comment:7>
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