[#33587] 'onContentPrepare' trigger not working in com_tags 'tag' view 'default' layout

Results of the 'onContentPrepare' event trigger was not returned to the item body
<h4>Testing Instructions</h4>
Add email address to the article body and go to the 'tag' view (with 'Item description' set to 'show') . Before PR is applied, address displayed as plain text. After PR is applied, address protected by javascript.
<h4>Tracker</h4>
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33587