On Wed, Feb 15, 2006 at 03:01:52PM +0100, Jeremias Maerki wrote: > Among other things, I'm currently implementing support for XMP metadata > as part of my PDF/A-1 work [1]. XMP can consist of elements from a > number of namespaces which are not necessarily known beforehand, > especially since you can add arbitrary private extensions to XMP > metadata. With our current method you get warning messages such as the > following for unregistered namespaces: > > WARNING: Unknown formatting object http://ns.adobe.com/xap/1.0/^CreateDate
With XMP you may be required to accept any namespace, but you get them in a well defined subtree. Does that help? Maybe some element may declare a desired behaviour for its whole subtree? Simon -- Simon Pepping home page: http://www.leverkruid.nl
