ResponsiveImagesCG/picture-element — pull request #137 by zcorpan (2014-04-07 14:51:22+00:00)
Title: Define parsing of sizes in a way that doesn't require parsing the whole ...

...attribute. Fixes #136 Fixes #135

This also removes the behavior of skipping `source` when `sizes` is invalid, since @yoavweiss wanted to avoid distinguishing between an invalid query and one that doesn't match.