ipython/ipython — pull request #6416 by Carreau (2014-09-05 19:26:45+00:00)
Title: [Poc], unify Text/CodeCell code.

Proof of concept,

the rendered/unredered/edit_mode/command_mode is unified on code/text/cell and the visual behavior
of showing/hiding the output-area/rendered markdown is **pure css**. So overwritable by user with css.

Shown on dev meeting.