joomla/joomla-cms — pull request #3429 by Achal-Aggarwal (2014-04-11 10:12:25+00:00)
Title: Fixes validation of idn emails. #33105

http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=33105&start=0

After this patch emails like राम@मोहन.ईन्फो will pass client side validation.