TeXmacs document format (FSF GNU project)

TeXmacs document format

TeXmacs documents are labelled trees. They can be represented as pure text using several different syntaxes. Documents are also programs written in the TeXmacs typesetting language. The appearance and interactive behavior of documents is ultimately controlled by the typesetting primitives and variables used in markup.

Typesetting language
Typesetter primitives
System environment variables

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