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Re: [XHR] What mime types should trigger XML parsing?

From: Anne van Kesteren <annevk@opera.com>
Date: Sun, 23 Apr 2006 11:45:51 +0200
To: "Maciej Stachowiak" <mjs@apple.com>
Cc: "Web APIs WG (public)" <public-webapi@w3.org>
Message-ID: <op.s8gf2pcg64w2qv@id-c0020.oslo.opera.com>

On Sun, 23 Apr 2006 02:34:08 +0200, Maciej Stachowiak <mjs@apple.com>  
> "Otherwise, if the Content-Type header contains a media type (ignoring  
> any parameters) that is either text/xml, application/xml, or ends in  
> +xml, it must be an object that implements the Document interface  
> representing the parsed document. If the document was not an XML  
> document, or if the document could not be parsed (due to an XML  
> well-formedness error or unsupported character encoding, for instance),  
> it must be null."
> Should this be taken to mean that for any other Content-Type,  
> implementations MUST NOT attempt to parse as XML? If so, please say  
> that. Optionally allowing XML parsing for types not specifically  
> mentioned would be bad for interoperability.

So instead of "If the document was not an XML document" having "If  
Content-Type did not contain such a media type"?

> Also, consider the following media types that represent XML data of some  
> form, but are not text/xml, application/xml, or a type that ends in  
> +xml. Some of these are unofficial or obsolete:
> text/xsl

364,000: http://www.google.com/search?q=text%2Fxsl


9,270: http://www.google.com/search?q=application%2Fxslt%2Bxml

application/xsl-xml (note the dash...)

137: http://www.google.com/search?q=application%2Fxsl-xml

> text/mathml

569: http://www.google.com/search?q=text%2Fmathml


815: http://www.google.com/search?q=application%2Fmathml%2Bxml

> text/xml-external-parsed-entity
> application/xml-external-parsed-entity

Are these supported?

> application/smil

That one is obsoleted by application/smil+xml... But yeah...

> Of these, I only know for sure that text/xsl is in common use for  
> sending XML content, even though it is unofficial and technically  
> illegal.

Any proposals? Personally I don't really care about any of them...

Anne van Kesteren
Received on Sunday, 23 April 2006 09:46:18 UTC

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