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tfmtodit(1)                                                        tfmtodit(1)




NAME

       tfmtodit - create font files for use with groff -Tdvi


SYNOPSIS

       nr a 1
       tfmtodit [ -sv ] [ -ggf_file ] [ -kskewchar ] tfm_file map_file font


DESCRIPTION

       tfmtodit creates a font file for use with groff -Tdvi.  tfm_file is the
       name of the TeX font metric file for the font.  map_file is a file giv-
       ing the groff names for characters in the font; this file should con-
       sist of a sequence of lines of the form:

              n c1 c2 ...

       where n is a decimal integer giving the position of the character in
       the font, and c1, c2,...  are the groff names of the character.  If a
       character has no groff names but exists in the tfm file, then it will
       be put in the groff font file as an unnamed character.  font is the
       name of the groff font file.  The groff font file is written to font.

       The -s option should be given if the font is special (a font is special
       if troff should search it whenever a character is not found in the cur-
       rent font.)  If the font is special, it should be listed in the fonts
       command in the DESC file; if it is not special, there is no need to
       list it, since troff can automatically mount it when it's first used.

       To do a good job of math typesetting, groff requires font metric infor-
       mation not present in the tfm file.  The reason for this is that TeX
       has separate math italic fonts whereas groff uses normal italic fonts
       for math.  The additional information required by groff is given by the
       two arguments to the math_fit macro in the Metafont programs for the
       Computer Modern fonts.  In a text font (a font for which math_fitting
       is false), Metafont normally ignores these two arguments.  Metafont can
       be made to put this information in the gf file by loading the following
       definition after cmbase when creating cm.base:

              def ignore_math_fit(expr left_adjustment,right_adjustment) =
                  special "adjustment";
                  numspecial left_adjustment*16/designsize;
                  numspecial right_adjustment*16/designsize;
                  enddef;

       For the EC font family, load the following definition after exbase (it
       is probably easiest to patch exbase.mf locally):

              def ignore_math_fit(expr left_adjustment,right_adjustment) =
                  ori_special "adjustment";
                  ori_numspecial left_adjustment*16/designsize;
                  ori_numspecial right_adjustment*16/designsize;
                  enddef;

       The gf file created using this modified cm.base or exbase should be
       specified with the -g option.  The -g option should not be given for a
       font for which math_fitting is true.


OPTIONS

       It is possible to have whitespace between a command line option and its
       parameter.

       -v     Print the version number.

       -s     The font is special.  The effect of this option is to add the
              special command to the font file.

       -kn    The skewchar of this font is at position n.  n should be an
              integer; it may be given in decimal, or with a leading 0 in
              octal, or with a leading 0x in hexadecimal.  The effect of this
              option is to ignore any kerns whose second component is the
              specified character.

       -ggf_file
              gf_file is a gf file produced by Metafont containing special and
              numspecial commands giving additional font metric information.


FILES

       /opt/local/share/groff/1.22.3/font/devdvi/DESC
              Device description file.

       /opt/local/share/groff/1.22.3/font/devdvi/F
              Font description file for font F.


SEE ALSO

       groff(1), grodvi(1), groff_font(5)


COPYING

       Copyright (C) 1989-2014 Free Software Foundation, Inc.

       Permission is granted to make and distribute verbatim copies of this
       manual provided the copyright notice and this permission notice are
       preserved on all copies.

       Permission is granted to copy and distribute modified versions of this
       manual under the conditions for verbatim copying, provided that the
       entire resulting derived work is distributed under the terms of a per-
       mission notice identical to this one.

       Permission is granted to copy and distribute translations of this man-
       ual into another language, under the above conditions for modified ver-
       sions, except that this permission notice may be included in transla-
       tions approved by the Free Software Foundation instead of in the origi-
       nal English.



Groff Version 1.22.3            4 November 2014                    tfmtodit(1)

groff 1.22.3 - Generated Tue Oct 13 16:00:36 CDT 2015
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