instructure/canvas-lms — pull request #257 by devlin (2012-12-29 06:25:56+00:00)
Title: Permit new HTML5 elements figure and figcaption

Allows the new HTML5 elements figure and figcaption to bypass scrubbing by the user input sanitizer.

The HTML5lib sanitizer allows these elements
http://code.google.com/p/html5lib/source/browse/python3/html5lib/sanitizer.py

Specification for figure
http://dev.w3.org/html5/markup/figure.html

Specification for figcaption
http://dev.w3.org/html5/markup/figcaption.html