jzaefferer/jquery-validation — pull request #344 by paultregoing (2012-04-02 10:58:22+00:00)
Title: Fix for issue# 301 (IE 7-9 problems with "required" attribute)

This small fix will enable non-HTML5 browsers to return a boolean true from the .prop() call in .attributeRules() - eliminating the need to do browser detection and attribute/class manipulation during $(document).ready().

This change will fix the currently open issue# 301

https://github.com/jzaefferer/jquery-validation/issues/301