2 Copyright (C) 1989-1995, 2004 Free Software Foundation, Inc.
4 Permission is granted to make and distribute verbatim copies of
5 this manual provided the copyright notice and this permission notice
6 are preserved on all copies.
8 Permission is granted to copy and distribute modified versions of this
9 manual under the conditions for verbatim copying, provided that the
10 entire resulting derived work is distributed under the terms of a
11 permission notice identical to this one.
13 Permission is granted to copy and distribute translations of this
14 manual into another language, under the above conditions for modified
15 versions, except that this permission notice may be included in
16 translations approved by the Free Software Foundation instead of in
22 .TH GDIFFMK @MAN1EXT@ "@MDATE@" "Groff Version @VERSION@"
26 gdiffmk \- mark differences between groff/nroff/troff files
37 . ie \\n(.$-1 .RI "[\ \fB\\$1\fP" "\\$2" "\ ]"
38 . el .RB "[\ " "\\$1" "\ ]"
64 and creates an output which is
66 with added `margin character' (.mc) commands that indicate the differences.
72 the output is written there.
75 or absent the output is written to the standard output.
84 the standard input is read for that input.
85 Clearly both cannot be
89 Note that the output is not necessarily compatible with all macro packages
90 and all preprocessors.
101 for source lines not in
112 for changed source lines.
120 for deleted source lines.
126 All the following arguments are treated as file names,
127 even if they begin with
132 Print a usage message on standard error output and exit.
136 Print version information on the standard output and exit.
140 The output is not necessarily compatible with all macro packages
141 and all preprocessors.
142 A workaround that is often successful against preprocessor problems
145 on the output of all the preprocessors instead of the input source.
153 to make a merged `#ifdef' output format.
154 It hasn't been tested whether other versions of
156 do support this option.
159 Report bugs to bug-groff@gnu.org.
160 Include a complete, self-contained example that will allow the bug to
161 be reproduced, and say which version of
167 This document was written and is maintained by
168 .MTO MBianchi@Foveal.com "Mike Bianchi" .
171 This document is distributed under the terms of the FDL (GNU Free
172 Documentation License) version 1.1 or later.
173 You should have received a copy of the FDL on your system, it is also
174 available on-line at the
175 .URL http://\:www.gnu.org/\:copyleft/\:fdl.html "GNU copyleft site" .
181 GNU free software project.
184 are protected by GNU copyleft licenses.
185 The software files are distributed under the terms of the GNU General
186 Public License (GPL), while the documentation files mostly use the GNU
187 Free Documentation License (FDL).
191 Copyright \(co 2004 Free Software Foundation, Inc.
195 is free software; you can redistribute it and/or modify it under
196 the terms of the GNU General Public License as published by the Free
197 Software Foundation; either version 2, or (at your option) any later
202 is distributed in the hope that it will be useful, but WITHOUT ANY
203 WARRANTY; without even the implied warranty of MERCHANTABILITY or
204 FITNESS FOR A PARTICULAR PURPOSE.
205 See the GNU General Public License for more details.
208 You should have received a copy of the GNU General Public License along
209 with groff; see the file COPYING.
210 If not, write to the Free Software
211 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
215 .BR groff (@MAN1EXT@),
216 .BR nroff (@MAN1EXT@),
217 .BR gtroff (@MAN1EXT@),