[whatwg] markup as authored in practice

James Graham jg307 at cam.ac.uk
Sat Dec 2 02:13:01 PST 2006

Lachlan Hunt wrote:
> The XHTML serialisation exists to make use of XML-only features, like 
> xmlns syntax.  People wishing to use such features *must* use XML. There 
> has been no reason whatsoever given for wanting to try and use 
> unsupported XML-only syntax in HTML, most likely because there is no 
> valid reason for it.

Ignoring the _syntax_ for a moment, there have been reasons given for 
wanting to use XML _features_ in HTML5 - the desire to embed MathML or 
SVG in a HTML document, for example. You suggest punting these use cases 
to XHTML5, without addressing the fundamental problem that the XML 
parsing model is unsuitable for the web, so denying authors the 
possibility of rich (what XML would regard as "mixed namespace") content.

"The universe doesn't care what you believe. The wonderful thing about 
science is that it doesn't ask for your faith, it just asks for your 
eyes" --- http://xkcd.com/c154.html

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