RE: Illegal Characters in Namespace URIs
> From: Dare Obasanjo [mailto:dareo@m...] > Sent: Monday, June 17, 2002 3:16 AM > To: Elliotte Rusty Harold; xml-dev@l... > Subject: RE: Illegal Characters in Namespace URIs > > > -----Original Message----- > From: Elliotte Rusty Harold [mailto:elharo@m...] > Sent: Sun 6/16/2002 2:44 PM > To: xml-dev@l... > Cc: > Subject: Re: Illegal Characters in Namespace URIs > > >Yes, I read all that. However, document conformance is defined by > >Section 6 which states: > > > >In XML documents which conform to this specification, element types > >and attribute names must match the production for QName and must > >satisfy the "Namespace Constraints". > > > >That's it. The next couple of paragraphs elaborate this, but do not > >add any further constraints. Since the URI reference is not part of > >the BNF grammar or a namespace constraint, it seems possible to claim > >conformance with non-URI values. > > I looked at the errata for the Names in XML REC at > http://www.w3.org/XML/xml-names-19990114-errata and couldn't find > anywhere this was clarified so I have to agree with you that the > REC seems to imply that XML documents containing non-URI values > as values for namespace names are conformant. I assume this is > the only reason WebDAV can get away with its non-URI namespace > name and still claim conformance. > >  http://lists.oasis-open.org/archives/relax-ng/200111/msg00032.html Not so. The reason WebDAV "gets away" with the badly chosen namespace name is the fact that RFC2396+ is going to allow empty scheme-specific parts, making "just the scheme name" a valid URI. At least that's my understanding of the outcome of the discussion.
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