SILE also has an XML format. (That is, SILE can read arbitrary XML and format it according to document class rules, but also, separately, SILE itself has an XML

SILE also has an XML format. (That is, SILE can read arbitrary XML and format it according to document class rules, but also, separately, SILE itself has an XML format.) https://sile-typesetter.org/manual/sile-0.14.5.pdf#page=27 https://sile-typesetter.org/manual/sile-0.14.5.pdf#page=27 This theoretically makes it easier to use a GUI editor, or to output XML SILE documents from, say PHP (invoices from a webshop, for example).