222 lines
5.5 KiB
Groff
222 lines
5.5 KiB
Groff
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.ig \"-*- nroff -*-
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Copyright (C) 1989-1995 Free Software Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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are preserved on all copies.
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Permission is granted to copy and distribute modified versions of this
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manual under the conditions for verbatim copying, provided that the
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entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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Permission is granted to copy and distribute translations of this
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manual into another language, under the above conditions for modified
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versions, except that this permission notice may be included in
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translations approved by the Free Software Foundation instead of in
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the original English.
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..
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.\" Like TP, but if specified indent is more than half
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.\" the current line-length - indent, use the default indent.
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.de Tp
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.ie \\n(.$=0:((0\\$1)*2u>(\\n(.lu-\\n(.iu)) .TP
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.el .TP "\\$1"
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..
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.TH AFMTODIT @MAN1EXT@ "@MDATE@" "Groff Version @VERSION@"
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.SH NAME
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afmtodit \- create font files for use with groff \-Tps
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.SH SYNOPSIS
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.B afmtodit
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[
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.B \-ns
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]
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[
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.BI \-d desc_file
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]
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[
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.BI \-e enc_file
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]
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[
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.BI \-i n
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]
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[
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.BI \-a n
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]
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.I afm_file
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.I map_file
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.I font
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.SH DESCRIPTION
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.B afmtodit
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creates a font file for use with groff and
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.BR grops .
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.B afmtodit
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is written in perl;
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you must have perl version 3 installed in order to run
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.BR afmtodit .
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.I afm_file
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is the AFM (Adobe Font Metric) file for the font.
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.I map_file
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is a file that says which groff character names map onto
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each PostScript character name;
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this file should contain a sequence of lines of the form
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.IP
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.I
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ps_char groff_char
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.LP
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where
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.I ps_char
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is the PostScript name of the character
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and
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.I groff_char
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is the groff name of the character (as used in the groff font file.)
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The same
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.I ps_char
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can occur multiple times in the file;
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each
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.I groff_char
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must occur at most once.
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.I font
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is the groff name of the font.
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If a PostScript character is in the encoding to be used for the font
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but is not mentioned in
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.I map_file
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then
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.B afmtodit
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will put it in the groff font file as an unnamed character,
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which can be accessed by the
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.B \eN
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escape sequence in
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.BR troff .
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The groff font file will be output to a file called
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.IR font .
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.LP
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If there is a downloadable font file for the font, it may be listed in
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the file
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.BR @FONTDIR@/devps/download ;
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see
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.BR grops (@MAN1EXT@).
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.LP
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If the
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.B \-i
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option is used,
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.B afmtodit
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will automatically generate an italic correction,
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a left italic correction and a subscript correction
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for each character
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(the significance of these parameters is explained in
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.BR groff_font (@MAN5EXT@));
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these parameters may be specified for individual characters by
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adding to the
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.I afm_file
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lines of the form:
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.IP
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.BI italicCorrection\ ps_char\ n
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.br
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.BI leftItalicCorrection\ ps_char\ n
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.br
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.BI subscriptCorrection\ ps_char\ n
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.LP
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where
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.I ps_char
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is the PostScript name of the character,
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and
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.I n
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is the desired value of the corresponding parameter in thousandths of an em.
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These parameters are normally needed only for italic (or oblique) fonts.
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.SH OPTIONS
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.TP
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.B \-n
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Don't output a
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.B ligatures
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command for this font.
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Use this with constant-width fonts.
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.TP
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.B \-s
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The font is special.
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The effect of this option is to add the
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.B special
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command to the font file.
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.TP
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.BI \-d desc_file
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The device description file is
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.I desc_file
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rather than the default
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.BR DESC .
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.TP
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.BI \-e enc_file
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The PostScript font should be reencoded to use the encoding described
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in enc_file.
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The format of
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.I enc_file
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is described in
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.BR grops (@MAN1EXT@).
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.TP
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.BI \-a n
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Use
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.I n
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as the slant parameter in the font file;
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this is used by groff in the positioning of accents.
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By default
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.B afmtodit
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uses the negative of the ItalicAngle specified in the afm file;
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with true italic fonts it is sometimes desirable to use
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a slant that is less than this.
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If you find that characters from an italic font have accents
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placed too far to the right over them,
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then use the
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.B \-a
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option to give the font a smaller slant.
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.TP
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.BI \-i n
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Generate an italic correction for each character so that
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the character's width plus the character's italic correction
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is equal to
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.I n
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thousandths of an em
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plus the amount by which the right edge of the character's bounding
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is to the right of the character's origin.
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If this would result in a negative italic correction, use a zero
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italic correction instead.
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.IP
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Also generate a subscript correction equal to the
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product of the tangent of the slant of the font and
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four fifths of the x-height of the font.
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If this would result in a subscript correction greater than the italic
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correction, use a subscript correction equal to the italic correction
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instead.
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.IP
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Also generate a left italic correction for each character
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equal to
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.I n
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thousandths of an em
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plus the amount by which the left edge of the character's bounding box
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is to the left of the character's origin.
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The left italic correction may be negative.
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.IP
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This option is normally needed only with italic (or oblique) fonts.
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The font files distributed with groff were created using an option of
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.B \-i50
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for italic fonts.
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.SH FILES
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.Tp \w'\fB@FONTDIR@/devps/download'u+2n
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.B @FONTDIR@/devps/DESC
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Device description file.
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.TP
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.BI @FONTDIR@/devps/ F
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Font description file for font
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.IR F .
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.TP
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.B @FONTDIR@/devps/download
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List of downloadable fonts.
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.TP
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.B @FONTDIR@/devps/text.enc
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Encoding used for text fonts.
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.TP
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.B @FONTDIR@/devps/generate/textmap
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Standard mapping.
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.SH "SEE ALSO"
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.BR groff (@MAN1EXT@),
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.BR grops (@MAN1EXT@),
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.BR groff_font (@MAN5EXT@),
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.BR perl (1)
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