ipython/ipython — pull request #1326 by ellisonbg (2012-01-25 20:33:49+00:00)
Title: Removing Ace edit capability.

We have fixed some of the problems with CodeMirror and feel that
the differences between Ace and CodeMirror are not great enough
to justify having both. We may reintroduce a full-window edit
mode using CodeMirror, but that will come separately.