malsup/form — pull request #419 by thet (2014-06-18 14:20:13+00:00)
Title: Fix selectors with dotted-path form id's with jQuery 1.9

The following error happened with jQuery 1.9:

> $(':input[form=a.dotted.path]').get();
Error: Syntax error, unrecognized expression: :input[form=a.dotted.path]

That works:
> $(':input[form="a.dotted.path"]').get();
[]