scottjehl/picturefill — pull request #18 by Wilto (2012-06-16 21:18:27+00:00)
Title: Adds support for -based resolution switching on source elements.

Adds `srcset`-based resolution switching on `source` elements, per the markup pattern proposed here: http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2012-May/036160.html