ipython/ipython — pull request #4680 by dbarbeau (2013-12-12 13:24:52+00:00)
Title: Minimal pandoc version warning

Adds a UserWarning informing about a bad Pandoc version. If pandoc version is < 1.12.1 the output of fenced markdown code blocks is not the expected one and precludes easy implementation of javascript highlighting in nbconvert.