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Use TeX
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The typesetting program called TeX is used for formatting a Texinfo
file. TeX is a very powerful typesetting program and, if used right,
does an exceptionally good job. See How to Obtain TeX: Obtaining TeX, for information on how to obtain TeX.
The `makeinfo', `texinfo-format-region', and `texinfo-format-buffer'
commands read the very same @-commands in the Texinfo file as does TeX,
but process them differently to make an Info file; see *Note Create an
Info File::.