Subject: Re: [xsl] TeX to MathML by using XSLT From: "James A. Robinson" <jim.robinson@xxxxxxxxxxxx> Date: Tue, 28 Jun 2005 15:19:03 0700 
> I require to convert TeX to MathML by using XSLT, in my source > XML I have TeX math content in the processing instruction format > i.e., <?TeX {a \over \b}?>, please advise me how can I convert > these TeX equations to MathML. If you want something which can truly handle any input of TeX and output MathML, I think you're going to find it's a difficult task to do in XSLT. Having a mix of markup languages in a document is an interesting problem, and properly handling both markups generally means you need a processing engine which understands both markups. If all the TeX in your document is simple, like the above, you might be able to get away with simply doing pattern matching using XSLT 2.0. However, I think that kind of solution is unlikely, as any of the more complex (standard) TeX markups will be difficult to deal with. If I had to approach this task I'd look at using the ability to create my own functions, and I'd use this function to make a call to an external routine to handle converting the LaTeX to MathML as the stylesheet went through the XML source. An alternative, and possibly easier, approach would be to make multiple passes of your sourcee XML document: the first to generate N output documents: the original source with the LaTeX stripped out and replaced with id tags, and (N1) documents holding the LaTeX, which you then process to MathML using a completely external process. A final stylesheet can then run through the 'id' filled document, pulling in MathML from the filesystem. If those sound at all palatable to you, I'd look into seeing if someone has already done all the hard work of building an engine to process TeX into MathML. My Google searches turned up several possibilities, the best of which were listed on W3C MathML page: http://www.w3.org/Math/Software/mathml_software_cat_converters.html I was most interested in their link to the ORCCA software group: http://www.w3.org/Math/Software/desc/desc_Itranslator_from_tex_latex_to_mathml.html It'll be interesting to see what the folks on this list have to say about the problem. Hopefully someone will prove me wrong and point out some simple translation routines already written! Jim                                    James A. Robinson jim.robinson@xxxxxxxxxxxx Stanford University HighWire Press http://highwire.stanford.edu/ +1 650 7237294 (Work) +1 650 7259335 (Fax)
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