Re: XSLT and external calls

one way that doesn't require extending xslt at all is  to use the
document() function pointing at a suitably equiped http server.

so if you have <foo tex="\frac{a}{b}"/>

then a template such as
<xsl:template match="foo">
 <xsl:apply-templates select=
"document(concat('http://localhost/cgi-bin/tex2mathml?src=&quot;',@tex,'&quot;')))"/>

will apply templates do a document

<math xmlns="http://www.w3.org/1998/Math/MathML">
<mfrac><mi>a</mi><mi>b</mi></mfracK
</math>

if your local http server has a suitable cgi-bin script to run the
converter.

Obviously it doesn't have to be cgi any other dynamic content creation
mechanism on the server could be used.

David

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