Answering my own question - the rules in x-mathml.mkxl/.lmt assume *only* an mml: namespace on MathML elements. Having built my current project on the basis of the examples in the XML in mkiv manual, I had two layers of namespaces in addition to that. Redoing the mappings for the MathML elements resulted in glorious formulas coming out. Duncan On Sun, 29 May 2022 at 22:23, Duncan Hothersall wrote:

This feels like a really stupid question but I can't find an answer to it anywhere.

When processing an XML file directly with ConTeXt, i.e. using \startxmlsetups rules, how can I make use of the MathML module for the MathML content in my XML source? Should I include a specific piece of code with a \registerctxluafile command as well as / instead of \usemodule[mathml]? Do I need to use something other than \xmlflush to pass the XML to the module?

Sorry, it's probably obvious but I can't work it out!

Thanks.

Duncan

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