Thread:Project:Support desk/How to choose multiple groups in the per page protection in Simple Security extension in Vector skin in Mediawiki 1.20.3?

How to choose multiple groups in the per page protection in Vector skin in Mediawiki 1.20.3? I want to give read permissions to more than 3 custom user groups as I have a total of 14 custom user groups. How can I select multiple groups .please reply ASAP.--Satyamcompany (talk) 17:34, 2 May 2013 (UTC)