211 lines
4.8 KiB
Groff
211 lines
4.8 KiB
Groff
.\" $Id: groff_ms.7,v 1.2 1993/08/02 17:45:25 mycroft Exp $ -*- nroff -*-
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.TH GROFF_MS 7 "6 August 1992" "Groff Version 1.08"
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.SH NAME
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groff_ms \- groff ms macros
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.SH SYNOPSIS
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.B groff
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.B \-ms
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[
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.IR options .\|.\|.
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]
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[
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.IR files .\|.\|.
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]
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.SH DESCRIPTION
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This manual page describes the GNU version of the ms macros,
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which is part of the groff document formatting system.
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The groff ms macros are intended to be compatible with the 4.3
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.SM BSD
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Unix ms macros subject to the following limitations:
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.IP \(bu
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the internals of groff ms are not similar to the internals of Unix ms
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and so documents that depend upon implementation details of Unix ms
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may well not work with groff ms;
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.IP \(bu
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there is no support for typewriter-like devices;
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.IP \(bu
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Berkeley localisms, in particular the
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.B TM
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and
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.B CT
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macros, are not implemented;
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.IP \(bu
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groff ms
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does not provide cut marks;
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.IP \(bu
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multiple line spacing is not allowed
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(use a larger vertical spacing instead);
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.IP \(bu
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groff ms does not work in compatibility mode (eg with the
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.B \-C
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option);
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.IP \(bu
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the error-handling policy of groff ms
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is to detect and report errors,
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rather than silently to ignore them.
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.LP
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The groff ms macros make use of many features of GNU troff
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and therefore cannot be used with any other troff.
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.LP
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Bell Labs localisms are not implemented in either the
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.SM BSD
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ms macros or in the groff ms macros.
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.LP
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Some Unix ms documentation says that the
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.B CW
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and
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.B GW
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number registers can be used to control the column width and
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gutter width respectively.
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This is not the case.
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These number registers are not used in groff ms.
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.LP
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Macros that cause a reset set the indent.
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Macros that change the indent do not increment or decrement
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the indent, but rather set it absolutely.
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This can cause problems for documents that define
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additional macros of their own.
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The solution is to use not the
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.B in
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request but instead the
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.B RS
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and
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.B RE
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macros.
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.LP
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The number register
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.B GS
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is set to 1 by the groff ms macros,
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but is not used by the Unix ms macros.
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It is intended that documents that need to determine whether
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they are being formatted with Unix ms or groff ms make use of this
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number register.
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.LP
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Footnotes are implemented so that they can safely be used within
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keeps and displays.
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Automatically numbered footnotes within floating keeps are
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not recommended.
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It is safe to have another
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.B \e**
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between a
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.B \e**
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and the corresponding
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.BR .FS ;
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it is required only that each
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.B .FS
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occur after the corresponding
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.B \e**
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and that the occurrences of
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.B .FS
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are in the same order as the corresponding occurrences of
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.BR \e** .
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.LP
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The strings
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.B \e*{
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and
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.B \e*}
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can be used to begin and end a superscript.
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.LP
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Some Unix V10 ms features are implemented.
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The
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.BR B ,
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.BR I
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and
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.B BI
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macros can have an optional third argument which will be printed
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in the current font before the first argument.
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There is a macro
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.B CW
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like
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.B B
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that changes to a constant-width font.
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.LP
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The following strings can be redefined to adapt the groff ms macros
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to languages other than English:
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.LP
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.nf
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.ta \w'REFERENCES'u+2n
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String Default Value
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.sp .3v
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REFERENCES References
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ABSTRACT ABSTRACT
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TOC Table of Contents
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MONTH1 January
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MONTH2 February
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MONTH3 March
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MONTH4 April
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MONTH5 May
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MONTH6 June
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MONTH7 July
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MONTH8 August
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MONTH9 September
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MONTH10 October
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MONTH11 November
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MONTH12 December
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.fi
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.LP
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The font family is reset from the string
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.BR FAM ;
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at initialization if this string is undefined it is set to the current
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font family.
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The point size, vertical spacing, and inter-paragraph spacing for footnotes
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are taken from the number registers
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.BR FPS ,
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.BR FVS ,
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and
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.BR FPD ;
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at initialization these are set to
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.BR \en(PS-2 ,
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.BR \en[FPS]+2 ,
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and
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.B \en(PD/2
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respectively; however, if any of these registers has been defined
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before initialization, it will not be set.
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.LP
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Right-aligned displays are available with
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.B ".DS R"
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and
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.BR .RD .
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.LP
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The following conventions are used for names of macros, strings and
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number registers.
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External names available to documents that use the groff ms
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macros contain only uppercase letters and digits.
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Internally the macros are divided into modules.
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Names used only within one module are of the form
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.IB module * name\fR.
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Names used outside the module in which they are defined are of the form
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.IB module @ name\fR.
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Names associated with a particular environment are of the form
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.IB environment : name;
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these are used only within the
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.B par
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module,
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and
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.I name
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does not have a module prefix.
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Constructed names used to implement arrays are of the form
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.IB array ! index\fR.
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Thus the groff ms macros reserve the following names:
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.IP \(bu
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names containing
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.BR * ;
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.IP \(bu
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names containing
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.BR @ ;
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.IP \(bu
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names containing
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.BR : ;
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.IP \(bu
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names containing only uppercase letters and digits.
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.SH FILES
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.B /usr/share/tmac/tmac.s
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.SH "SEE ALSO"
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.BR groff (1),
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.BR troff (1),
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.BR tbl (1),
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.BR pic (1),
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.BR eqn (1)
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.br
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.BR ms (7)
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