joomla/joomla-cms — pull request #3235 by radiant-tech (2014-03-04 19:49:53+00:00)
Title: Make rssurl param required and validate to url

As reported in Tracker: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_id=8103&tracker_item_id=32022

Fixes for both Site and Admin versions of the module.