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Linux man pages : groff_tmac (5)
GROFF_TMAC(5)							 GROFF_TMAC(5)

NAME

groff_tmac - macro files in the roff typesetting system

DESCRIPTION

The roff(7) type-setting system provides a set of macro packages suit- able for special kinds of documents. Each macro package stores its macros and definitions in a file called the package's tmac file. The name is deduced from `TroffMACros'. The tmac files are normal roff source documents, except that they usu- ally contain only definitions and setup commands, but no text. All tmac files are kept in a single or a small number of directories, the tmac directories.

GROFF MACRO PACKAGES

groff provides all classical macro packages, some more full packages, and some secondary packages for special purposes. Man Pages man This is the classical macro package for UNIX manual pages (man pages); it is quite handy and easy to use; see groff_man(7). doc mdoc An alternative macro package for man pages mainly used in BSD systems; it provides many new features, but it is not the stan- dard for man pages; see groff_mdoc(7). Full Packages The packages in this section provide a complete set of macros for writ- ing documents of any kind, up to whole books. They are similar in functionality; it is a matter of taste which one to use. me The classical me macro package; see groff_me(7). mm The semi-classical mm macro package; see groff_mm(7). mom The new mom macro package, only available in groff. As this is not based on other packages, it can be freely designed. So it is expected to become quite a nice, modern macro package. See groff_mom(7). ms The classical ms macro package; see groff_ms(7). Special Packages The macro packages in this section are not intended for stand-alone usage, but can be used to add special functionality to any other macro package or to plain groff. tty-char Overrides the definition of standard troff characters and some groff characters for tty devices. The optical appearance is intentionally inferior compared to that of normal tty formatting to allow processing with critical equipment. www Additions of elements known from the html format, as being used in the internet (World Wide Web) pages; this includes URL links and mail addresses; see groff_www(7).

NAMING

In classical roff systems, there was a funny naming scheme for macro packages, due to a simplistic design in option parsing. Macro packages were always included by option -m; when this option was directly fol- lowed by its argument without an intervening space, this looked like a long option preceded by a single minus