- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Wed, 12 Aug 2009 17:14:34 +0200
- To: martin@weborganics.co.uk
- CC: Toby Inkster <tai@g5n.co.uk>, RDFa <public-rdf-in-xhtml-tf@w3.org>
Martin McEvoy wrote: > ... > Agreed but so is this > > <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC > "-//W3C//DTD XHTML+RDFa 1.0//EN" > "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"> <html > xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> > <title>xhtml test</title> </head> <body> <h1>XHTML test</h1> <div > xmlns:dc="http://purl.org/dc/elements/1.1/"> <h2 > property="dc:title">The trouble with Bob</h2> <h3 > property="dc:creator">Alice</h3> </div> </body> </html> > > this bit is the problem > > > <div xmlns:dc="http://purl.org/dc/elements/1.1/"> ... > </div> > > the error is Attribute "xmlns:dc" must be declared for element type > "div". ie: > > <dc:div xmlns:dc="http://purl.org/dc/elements/1.1/"> ... > </dc:div> No. This is something entirely different, and not what the validation error is about. > ... > So there is a problem I think with using xmlns:foo and should be avoided > if you intend to serialize your document as XML. > ... Only if you intend to validate it using a DTD. DTDs do not support XML namespaces. Move to a technology suited for that purpose, such as RelaxNG, and the problem goes away. BR, Julian
Received on Wednesday, 12 August 2009 15:15:15 UTC