Re^2: MathML 2 ascii?

[Aristotle]

I don't see how it could be. This isn't a case where you want to pull data from a document selectively, which XPath excels at. It's a case where you want to transcribe the entire document into a different format, where recursive processing of the full structure is inevitable.

[tall_man]

The original post said that the MathML units code was just a small part of a much larger technical specification document, so something like XPath or XML::Twig will be required to extract it. I don't suppose you would want to write an XSLT translation specification for the entire document just to get the units.

[Aristotle]

You can easily write an XSLT transformation that processes only a small part of its input. For those parts the OP wants to process he still needs to traverse the full sub-structure, though.