joomla/joomla-cms — pull request #1198 by Harmageddon (2013-05-28 18:36:51+00:00)
Title: #30925: 'plus' icon for subcategories

The 'plus' button for subcategories should be disabled if there is nothing to display.

See: http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=30925