I don't recall a reason against listing that standard, and can't think of any reason not to list it. XML Catalogs are elective for DITA, but I can't imagine sensible DITA usage in a world without them. I'd agree with adding this as a non-normative reference. On 1/22/2014 4:35 AM, Kristen James Eberlein wrote: Is there a reason that we do not list XML Catalogs, OASIS standard 1,1?
https://www.oasis-open.org/committees/download.php/14809/xml-catalogs.html -- Don R. Day Co-Founder, ContelligenceGroup.com Chair Emeritus, OASIS DITA Technical Committee LinkedIn: donrday Twitter: @donrday About.me: Don R. Day Skype: don.r.day Where is the wisdom we have lost in knowledge? Where is the knowledge we have lost in information? --T.S. Eliot