thoughtbot/capybara-webkit — pull request #361 by lazyatom (2012-07-24 11:21:23+00:00)
Title: Allow unselecting for select nodes with empty `multiple` attributes.

As well as ``, it's also valid to use an empty attribute (i.e. ``). In order to support this, we need to treat `multiple` in the same way as `disabled` or `checked`.