crdeutsch/multiselect — pull request #8 by adriaanp (2011-11-29 06:07:20+00:00)
Title: Added support for optgroup elements

I've added support for optgroup elements on list boxes, might be useful.

Just one problem, I've also implemented a selectedChanged event before this optgroup feature, which is more specific to a problem I am solving, I would recommend excluding those changes. Not sure what is the best way of helping out here.

Hope this helps.