jquery/jquery-mobile — pull request #3481 by dotnetwise (2012-01-24 15:25:35+00:00)
Title: The button's text should preserve the original css class of the select ...

...and the selected option. This way you can customize it with i.e. images.

This change is along with this one: https://github.com/jquery/jquery-mobile/pull/3480#commits-pushed-69c9ca4

For a demo: http://www.dotnetwise.com/tryAndError/jquery.mobile/select.filter/