swcarpentry/lesson-template — pull request #23 by aaren (2014-11-14 10:55:47+00:00)
Title: more permissive conversion of blockquotes to divs

previously we forced blockquotes to begin with headers that contained a
single class that was in a list of allowed classes, if they were to be
converted to a div.

now any blockquote will be converted to a div provided it begins with a
header that has attributes containing at least one class.

see #22.