I'm not seeing great support for this in tinymce.

starting to think the answer here is to make this happen in templates by creating a template editor that is gui but more layout oriented.

  --Ethan McCutchen.....Sat Apr 21 20:39:04 +0000 2012

I'm changing this to an Idea because we don't really have an implementation route yet.

  --Ethan McCutchen.....2013-01-15 23:21:16 +0000