TinyMCE: fix problems with undo/redo after resizing an image several times. Fixes #28389.
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git-svn-id: http://core.svn.wordpress.org/trunk@28438 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Regex should be non-greedy, see #28389
Built from https://develop.svn.wordpress.org/trunk@28615


git-svn-id: http://core.svn.wordpress.org/trunk@28439 1a063a9b-81f0-0310-95a4-ce76da25c4cd