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diff --git a/Master/texmf-dist/doc/support/latexdiff/contrib/latexchanges.py b/Master/texmf-dist/doc/support/latexdiff/contrib/latexchanges.py
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--- a/Master/texmf-dist/doc/support/latexdiff/contrib/latexchanges.py
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@@ -1,67 +0,0 @@
-#! /bin/env python
-# latexchanges
-#
-# Wrapper for latexdiff, intended as a drop-in replacement for latex,
-# when you have several numbered (or dated) versions of a manuscript.
-# My coauthors don't as a rule know what CVS or SVN is, they simply
-# use a number or date for the different versions.
-#
-# latexchanges replaces the current DVI with one that includes a
-# latexdiff to the last version. The last version is selected as the
-# TEX file in the same directory with the same prefix (up to a number
-# or a dot), that has an mtime immediately preceding the given TEX
-# file.
-#
-# (I should probably add CVS version numbering too, at some point.)
-#
-# Copyright (C) 2009 by Jan-\AA{}ke Larsson <jan-ake.larsson@liu.se>
-# Released under the terms of the GNU General Public License (GPL)
-# Version 2. See http://www.gnu.org/ for details.
-#
-# Please do provide patches and bug reports, but remember: if it
-# breaks, you get to keep the pieces.
-#
-# Jan-\AA{}ke Larsson
-# Sept 16 2009
-
-from os import listdir,system,stat
-from sys import argv
-from re import split
-
-name=""
-newarg=[]
-
-# Find filename argument
-for i in range(1,len(argv)):
- if argv[i][-4:]==".tex":
- basename=split('[0-9.]',argv[i])[0]
- name=argv[i][:-4]
- newarg.append(name+".changes.tex")
- else:
- newarg.append(argv[i])
-
-if name:
- print "Filename",name+".tex"
- print "Prefix is",basename
- # Find last archived version
- mtime=stat(name+".tex").st_mtime
- old_mtime=0
- ls=listdir(".")
- for j in ls:
- if j.startswith(basename) and j.endswith(".tex")\
- and not j.endswith(".changes.tex"):
- tmptime=stat(j).st_mtime
- if mtime>tmptime and old_mtime<tmptime:
- oldname=j
- old_mtime=tmptime
-
- # Archived version found?
- if old_mtime>0:
- print "Comparing with",oldname
- system ("/bin/cp "+name+".aux "+name+".changes.aux")
- system ("/bin/cp "+name+".bbl "+name+".changes.bbl")
- system ("latexdiff "+oldname+" "+name+".tex > "+name+".changes.tex")
- system ("latex "+" ".join(newarg))
- system ("cp "+name+".changes.dvi "+name+".dvi")
- else:
- system ("latex "+" ".join(argv[1:]))