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> Thus, the official > MIME type assignment to XML data is: > application/xml This is only the case (possibly the minority of cases) where there isn't a more specific mime type (either registered or in use in the wild) so XHTML documents are XML but may be text/html (grr:-) or application/xhtml+xml XSLT documents are XML but may be text/xsl (never registered) or application/xsl+xml SVG documents are XML but may be image/svg+xml etc... In some cases you may be able to tell (or guess) from the media type name that the document is XML, for example if it follows the ...+xml convention of RFC 3023, but in general the only way to know if a document format identified by a media type is XML or not is to look up the media type registration and read the text. Basically Media types were not designed for XML and are a pretty bad fit. If you lable everything as application/xml then they lose their original purpose of being able to trigger an appropriate program to handle the data, you typically do not want to send SVG and ChemML to the same viewing application. Conversely if you lable each vocabulary with a different mime type, there has never really been a good answer to give to the question of what mime type you give to a xhtml+xlink+svg+mathml document. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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