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   groff_tmac    ( 5 )

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Описание (Description)

Definitions of macros, strings, and registers for use in a
       roff(7) document can be collected into macro files, roff input
       files designed to produce no output themselves but instead ease
       the preparation of other roff documents.  There is no syntactical
       difference between a macro file and any other roff document; only
       its purpose distinguishes it.  When a macro file is installed at
       a standard location and suitable for use by a general audience,
       it is often termed a macro package.  Macro packages can be loaded
       by supplying the -m option to groff(1) or troff(1).
       Alternatively, a groff document wishing to use a macro package
       can load it with the mso ('macro source') request.

       Each macro package stores its macro, string, and register
       definitions in one or more tmac files.  This name originated in
       early Unix culture as an abbreviation of 'troff macros'.

       A macro package must be named name.tmac and be placed in a 'tmac
       directory' to be loadable with the -m option.  Section
       'Environment' of troff(1) lists these directories.  Like any
       other roff document, a macro package can use the 'so' request
       ('source') to load further files relative to its own location.

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