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TFMTODIT(1)							   TFMTODIT(1)

NAME
       tfmtodit	- create font files for	use with groff -Tdvi

SYNOPSIS
       tfmtodit	[ -sv ]	[ -ggf_file ] [	-kskewchar ] tfm_file map_file font

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

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
       -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
       /usr/share/groff_font/devdvi/DESC  Device description file.

       /usr/share/groff_font/devdvi/F	  Font description file	for font F.

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

Groff Version 1.19.2		 27 June 2014			   TFMTODIT(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO

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