[wp-trac] [WordPress Trac] #28940: TinyMCE strips out empty <i> tags, breaking font awesome

[WordPress Trac]

#28940: TinyMCE strips out empty <i> tags, breaking font awesome
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 Reporter:  DonSailieri                          |       Owner:
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  Future
Component:  TinyMCE                              |  Release
 Severity:  normal                               |     Version:  3.9.1
 Keywords:  has-patch needs-testing dev-         |  Resolution:
  feedback                                       |     Focuses:
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Comment (by dgwyer):

 Was just about to open a new ticket when I came across this one.

 I'm also seeing Font Awesome tags being stripped out when switching
 between Text > Visual > Text editor modes.

 It's such a common task to include font icons in markup these days that
 this should be reconsidered for inclusion in core rather than a plugin.

 Perhaps we could maintain a white list of exceptions for empty tags? e.g.
 For Font Awesome this could be empty `<i>` tags containing an 'fa' class.
 Or, should this be more generic and just cover tag names only. e.g. All
 empty `<i>` tags?

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Ticket URL: <https://core.trac.wordpress.org/ticket/28940#comment:15>
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