[wp-trac] [WordPress Trac] #27288: WP 3.9 Editor: 'mce_css' filter broken

[WordPress Trac]

#27288: WP 3.9 Editor: 'mce_css' filter broken
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 Reporter:  wpweaver      |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  3.9
Component:  Editor        |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by KirkM):

 Replying to [comment:9 jeremyfelt]:
 > @KirkM - [26876] is when TinyMCE 4.0.12 was first introduced to trunk.
 See #24067 for the incremental changes.

 I'm terribly rusty these days but the section between lines 787 and 812 of
 #24067 may have something to do with this. Of course, I could be
 completely wrong as well. The changes made to TinyMCE 4.0 are rather
 involved.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27288#comment:11>
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