(web2c.info)Commonalities

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3 Commonalities
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Many aspects of the TeX system are the same among more than one program,
so we describe all those pieces together, here.

Option conventions

- or -, = or ' ' for values.

Common options

-help -version -verbose, and TeX/MF/MP options.

Path searching

Features of the common path searching library.

Output file location

TEXMFOUTPUT allows output in places other than '.'.

Three programs

TeX, Metafont, and MetaPost have a lot in common.