texdiff


SYNOPSIS
       texdiff [--nofloats|-n] old.tex new.tex [diff.tex]

DESCRIPTION
       The first two files are compared and a new TeX file is output. When the
       output file is processed with (La)TeX it marks new changes with blue
       and old text with red with a strike-through line. Furthermore, passages
       with changes are marked at the margin with grey bars by the LaTeX
       "changebar" package (although only after running "dvips", in "xdvi" the
       bars are one inch too far left to compensate the one inch offset
       inserted by TeX printer drivers).

       "texdiff" uses and therefore requires the "wdiff" command to insert
       these marks. If LaTeX macros are included in those striked out or
       underlined passages, the latex run will most likely fail. The source of
       most problems lies in "wdiff" tearing apart pairs of braces. Therefore
       "texdiff" is a perl script that calls "wdiff" internally and fixes
       "wdiff"'s output by re-pairing braces again and handling some commonly
       used LaTeX macros.

       For texdiff to work, the following LaTeX code must be inserted in the
       preamble of the LaTeX document:

        \usepackage{xcolor} \usepackage{ulem} \usepackage{changebar}
        \newcommand\TLSins[1]{\cbstart{}\textcolor{ins}{\uline{#1}}\cbend{}}
        \newcommand\TLSdel[1]{\cbdelete{}\textcolor{del}{\sout{#1}}}

       Define editing colors "ins" and "del" with existing "xcolor" color
       names:
        \colorlet{ins}{blue} \colorlet{del}{red}

       Or from scratch:
        \definecolor{ins}{rgb}{0, 0.5, 0}

       These macros are NOT automatically interted at \begin{document} like
       the original scripts did (see the ACKNOWLEDGMENTS section below),
       because this will not work on files of a multi-file document (those
       included by \include or \input).  Furthermore, if you insert the macros
       manually, you can tune them as you like, i. e. change text color or
       position of changebars. Have a look at the documentation of the ulem
       and changebar packages on how to do this!

OPTIONS
       --nofloats, -n
           If given, skips contents of figure environments, but does show
           insertions and deletions in the caption commands. This is done to
           avoid complex messups in subfloat or complex figure environments.

       --debug, -d
           Turns on debugging. Temporary files that contain numbered braces
           are kept and a raw difference file is written as output file name
           appended with '-wdiff.tex'. In addition, several regular expression
           diagnostics are printed. Warning: produces a lot of output.

       *   Version 0.3, modified by Cengiz Gunay <cengique@users.sf.net>,
           2009/06/30. Added some Latex commands that should be excluded and
           fixed handling of '\%' characters.

       *   Version 0.2, is a perl implementation of TeXdiff by Mark Doll
           <markdoll@gmx.net>, 2006/08/09. It was derived from the original
           bash and perl scripts created by Robert Maron <rob-
           mar@mimuw.edu.pl>, available at http://www.robmar.net/TexDiff/.
           This version of texdiff is available at http://mark.doll.name/texd-
           iff/.

COPYRIGHT AND LICENSE
       Copyleft 2006-2009, Mark Doll and Cengiz Gunay

       This library is free software; you may redistribute it and/or modify it
       under the same terms as Perl itself.

perl v5.8.8                       2009-09-24                        TEXDIFF(1)
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