ACTION-21: Bring ISO JTC-1 SC34 liaison issue to XML CG

http://isotc.iso.org/livelink/livelink/4230505/ISO_IEC_Directives__Part_1__Procedures_for_the_technical_work___2004__5th_ed.___Word_format_?func=doc.Fetch&nodeid=4230505
Indicates "Category C liaison is reserved for ISO/IEC JTC 1."

http://isotc.iso.org/livelink/livelink.exe/5594435/Jtc1_Directives.doc?func=doc.Fetch&nodeid=5594435
Indicates:
* Category B
Organisations which have indicated a wish to be kept informed of the work of JTC 1 or any of its SCs.
* Category C
Organisations which make an effective technical contribution and participate actively at the WG or project level of JTC 1 or its SCs.

http://www.iso.org/iso/about/organizations_in_liaison/organizations_in_liaison_details.htm?id=10143&LiaisonList=True
Indicates
JTC 1/SC 34 Document description and processing languages C

Now followed up in XML CG