/[groff]/groff/src/preproc/eqn/eqn.man
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revision 1.9 by wl, Sat Dec 4 11:55:12 2004 UTC revision 1.10 by wl, Sun Feb 20 10:38:37 2005 UTC
# Line 1  Line 1 
1  .ig  .ig
2  Copyright (C) 1989-2000, 2001, 2004 Free Software Foundation, Inc.  Copyright (C) 1989-2000, 2001, 2004, 2005 Free Software Foundation, Inc.
3    
4  Permission is granted to make and distribute verbatim copies of  Permission is granted to make and distribute verbatim copies of
5  this manual provided the copyright notice and this permission notice  this manual provided the copyright notice and this permission notice
# Line 32  the original English. Line 32  the original English.
32  ..  ..
33  .  .
34  .  .
35    .de TQ
36    .  br
37    .  ns
38    .  TP \\$1
39    ..
40    .
41    .
42  .\" The BSD man macros can't handle " in arguments to font change macros,  .\" The BSD man macros can't handle " in arguments to font change macros,
43  .\" so use \(ts instead of ".  .\" so use \(ts instead of ".
44  .tr \(ts"  .tr \(ts"
# Line 623  define box 'special Bx' Line 630  define box 'special Bx'
630  .ft  .ft
631  .RE  .RE
632  .  .
633    .TP
634    .BI space\  n
635    A positive value of the integer\~\c
636    .I n
637    (in hundredths of an em) sets the vertical spacing before the equation,
638    a negative value sets the spacing after the equation, replacing the
639    default values.
640    This primitive provides an interface to
641    .BR groff 's
642    .B \ex
643    escape (but with opposite sign).
644    .
645    .IP
646    This keyword has no effect if the equation is part of a
647    .B pic
648    picture.
649    .
650    .SS Extended primitives
651    .TP
652    .BI col\  n\  {\  .\|.\|.\  }
653    .TQ
654    .BI ccol\  n\  {\  .\|.\|.\  }
655    .TQ
656    .BI lcol\  n\  {\  .\|.\|.\  }
657    .TQ
658    .BI rcol\  n\  {\  .\|.\|.\  }
659    .TQ
660    .BI pile\  n\  {\  .\|.\|.\  }
661    .TQ
662    .BI cpile\  n\  {\  .\|.\|.\  }
663    .TQ
664    .BI lpile\  n\  {\  .\|.\|.\  }
665    .TQ
666    .BI rpile\  n\  {\  .\|.\|.\  }
667    The integer value\~\c
668    .I n
669    (in hundredths of an em) increases the vertical spacing between rows,
670    using
671    .BR groff 's
672    .B \ex
673    escape.
674    Negative values are possible but have no effect.
675    If there is more than a single value given in a matrix, the biggest one
676    is used.
677    .
678  .SS Customization  .SS Customization
679  The appearance of equations is controlled by a large number of parameters.  The appearance of equations is controlled by a large number of parameters.
680  These can be set using  These can be set using
# Line 968  will not be recognized if called with ar Line 1020  will not be recognized if called with ar
1020  .  .
1021  .TP  .TP
1022  .BI include\ \(ts file \(ts  .BI include\ \(ts file \(ts
1023    .TQ
1024    .BI copy\ \(ts file \(ts
1025  Include the contents of  Include the contents of
1026  .IR file .  .I file
1027    .RB ( include
1028    and
1029    .B copy
1030    are synonyms).
1031  Lines of  Lines of
1032  .I file  .I file
1033  beginning with  beginning with
# Line 995  otherwise ignore Line 1053  otherwise ignore
1053  can be any character not appearing in  can be any character not appearing in
1054  .IR anything .  .IR anything .
1055  .  .
1056    .TP
1057    .BI undef\  name
1058    Remove definition of
1059    .IR name ,
1060    making it undefined.
1061    .
1062    .LP
1063    Besides the macros mentioned above, the following definitions are available:
1064    .BR Alpha ,
1065    .BR Beta ,
1066    \&.\|.\|.,
1067    .B Omega
1068    (this is the same as
1069    .BR ALPHA ,
1070    .BR BETA ,
1071    \&.\|.\|.,
1072    .BR OMEGA ),
1073    .B ldots
1074    (three dots on the base line),
1075    and
1076    .BR dollar .
1077    .
1078  .SS Fonts  .SS Fonts
1079  .B eqn  .B eqn
1080  normally uses at least two fonts to set an equation:  normally uses at least two fonts to set an equation:
# Line 1071  beginning of the input line. Line 1151  beginning of the input line.
1151  .SH "SEE ALSO"  .SH "SEE ALSO"
1152  .BR groff (@MAN1EXT@),  .BR groff (@MAN1EXT@),
1153  .BR @g@troff (@MAN1EXT@),  .BR @g@troff (@MAN1EXT@),
1154    .BR @g@pic (@MAN1EXT@),
1155  .BR groff_font (@MAN5EXT@),  .BR groff_font (@MAN5EXT@),
1156  .I The\ \*(txbook  .I The\ \*(txbook
1157  .  .

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