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# Using TeX to read SGML or XML directly

[ConTeXt (mark IV)](faquk:FAQ-context) can process some \*ML, to produce typeset output directly. Details of what can (and can not) be done, are discussed in [The ConTeXt WIKI](https://wiki.contextgarden.net/XML). ConTeXt is probably the system of choice for (La)TeX users who also need to work in XML (and friends). (Note that ConTeXt mark IV requires [LuaTeX](faquk:FAQ-luatex), and should therefore be regarded as experimental, though many people *do* use it successfully).

Older systems also manage, using no more than (La)TeX macro programming, to process XML and the like. David Carlisle's <ctanpkg:xmltex> is the prime example; it offers a solution for typesetting XML files, and is still in active (though not very widespread) use.

One use of a TeX that can typeset XML files is as a backend processor for XSL formatting objects, serialized as XML. Sebastian Rahtz's PassiveTeX uses <ctanpkg:xmltex> to achieve this end.

However, modern usage would proceed via XSL or XSLT2 to produce a formattable version.

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[Using TeX to read SGML or XML directly](faquk:FAQ-readML)
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