TinyMCE wpView:
- Cast off commands targeted to a view except undo, redo, RemoveFormat and mceToggleFormat (bold, italic, etc.).
- Disable the link and unlink buttons when a view is selected.
Props avryl, see #28595
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git-svn-id: http://core.svn.wordpress.org/trunk@28967 1a063a9b-81f0-0310-95a4-ce76da25c4cd