diff options
author | wl <wl> | 2005-02-20 10:38:36 +0000 |
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committer | wl <wl> | 2005-02-20 10:38:36 +0000 |
commit | 79e7da74a1fd6ec732544dc75fe5813318631a87 (patch) | |
tree | b3e7bf55fda6c409f64947261ff3674692bf9c14 /src | |
parent | 2c596e66ab2949a837d3eda1815c20a7668ca246 (diff) | |
download | groff-79e7da74a1fd6ec732544dc75fe5813318631a87.tar.gz |
* src/preproc/eqn/eqn.man, NEWS: Document various extensions of
eqn.
Diffstat (limited to 'src')
-rw-r--r-- | src/preproc/eqn/eqn.man | 85 |
1 files changed, 83 insertions, 2 deletions
diff --git a/src/preproc/eqn/eqn.man b/src/preproc/eqn/eqn.man index 4f0696bd..0f47771c 100644 --- a/src/preproc/eqn/eqn.man +++ b/src/preproc/eqn/eqn.man @@ -1,5 +1,5 @@ .ig -Copyright (C) 1989-2000, 2001, 2004 Free Software Foundation, Inc. +Copyright (C) 1989-2000, 2001, 2004, 2005 Free Software Foundation, Inc. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice @@ -32,6 +32,13 @@ the original English. .. . . +.de TQ +. br +. ns +. TP \\$1 +.. +. +. .\" The BSD man macros can't handle " in arguments to font change macros, .\" so use \(ts instead of ". .tr \(ts" @@ -623,6 +630,51 @@ define box 'special Bx' .ft .RE . +.TP +.BI space\ n +A positive value of the integer\~\c +.I n +(in hundredths of an em) sets the vertical spacing before the equation, +a negative value sets the spacing after the equation, replacing the +default values. +This primitive provides an interface to +.BR groff 's +.B \ex +escape (but with opposite sign). +. +.IP +This keyword has no effect if the equation is part of a +.B pic +picture. +. +.SS Extended primitives +.TP +.BI col\ n\ {\ .\|.\|.\ } +.TQ +.BI ccol\ n\ {\ .\|.\|.\ } +.TQ +.BI lcol\ n\ {\ .\|.\|.\ } +.TQ +.BI rcol\ n\ {\ .\|.\|.\ } +.TQ +.BI pile\ n\ {\ .\|.\|.\ } +.TQ +.BI cpile\ n\ {\ .\|.\|.\ } +.TQ +.BI lpile\ n\ {\ .\|.\|.\ } +.TQ +.BI rpile\ n\ {\ .\|.\|.\ } +The integer value\~\c +.I n +(in hundredths of an em) increases the vertical spacing between rows, +using +.BR groff 's +.B \ex +escape. +Negative values are possible but have no effect. +If there is more than a single value given in a matrix, the biggest one +is used. +. .SS Customization The appearance of equations is controlled by a large number of parameters. These can be set using @@ -968,8 +1020,14 @@ will not be recognized if called with arguments. . .TP .BI include\ \(ts file \(ts +.TQ +.BI copy\ \(ts file \(ts Include the contents of -.IR file . +.I file +.RB ( include +and +.B copy +are synonyms). Lines of .I file beginning with @@ -995,6 +1053,28 @@ otherwise ignore can be any character not appearing in .IR anything . . +.TP +.BI undef\ name +Remove definition of +.IR name , +making it undefined. +. +.LP +Besides the macros mentioned above, the following definitions are available: +.BR Alpha , +.BR Beta , +\&.\|.\|., +.B Omega +(this is the same as +.BR ALPHA , +.BR BETA , +\&.\|.\|., +.BR OMEGA ), +.B ldots +(three dots on the base line), +and +.BR dollar . +. .SS Fonts .B eqn normally uses at least two fonts to set an equation: @@ -1071,6 +1151,7 @@ beginning of the input line. .SH "SEE ALSO" .BR groff (@MAN1EXT@), .BR @g@troff (@MAN1EXT@), +.BR @g@pic (@MAN1EXT@), .BR groff_font (@MAN5EXT@), .I The\ \*(txbook . |