[wp-trac] [WordPress Trac] #23037: Want to use twitter-bootstrap icons, but TinyMCE strips them out

[WordPress Trac]

#23037: Want to use twitter-bootstrap icons, but TinyMCE strips them out
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 Reporter:  ruud@…        |       Owner:
     Type:  defect (bug)  |      Status:  reopened
 Priority:  high          |   Milestone:  3.9
Component:  TinyMCE       |     Version:  3.5
 Severity:  blocker       |  Resolution:
 Keywords:                |     Focuses:
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Comment (by TobiasBg):

 Related: #26986 for problems with empty `<span>` tags, which was to some
 degree discussed (and excluded from a permanent solution) in #22477

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Ticket URL: <https://core.trac.wordpress.org/ticket/23037#comment:6>
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