tinymce/tinymce — pull request #290 by PacificMorrowind (2013-12-19 11:05:57+00:00)
Title: new option `indent_use_margin: bool` [false]

if false use padding for indent/outdent otherwise use margin.
(re bug#6553: http://www.tinymce.com/develop/bugtracker_view.php?id=6553)