Merged revisions 59605-59624 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r59606 | georg.brandl | 2007-12-29 11:57:00 +0100 (Sat, 29 Dec 2007) | 2 lines

  Some cleanup in the docs.
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  r59611 | martin.v.loewis | 2007-12-29 19:49:21 +0100 (Sat, 29 Dec 2007) | 2 lines

  Bug #1699: Define _BSD_SOURCE only on OpenBSD.
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  r59612 | raymond.hettinger | 2007-12-29 23:09:34 +0100 (Sat, 29 Dec 2007) | 1 line

  Simpler documentation for itertools.tee().  Should be backported.
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  r59613 | raymond.hettinger | 2007-12-29 23:16:24 +0100 (Sat, 29 Dec 2007) | 1 line

  Improve docs for itertools.groupby().  The use of xrange(0) to create a unique object is less obvious than object().
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  r59620 | christian.heimes | 2007-12-31 15:47:07 +0100 (Mon, 31 Dec 2007) | 3 lines

  Added wininst-9.0.exe executable for VS 2008
  Integrated bdist_wininst into PCBuild9 directory
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  r59621 | christian.heimes | 2007-12-31 15:51:18 +0100 (Mon, 31 Dec 2007) | 1 line

  Moved PCbuild directory to PC/VS7.1
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  r59622 | christian.heimes | 2007-12-31 15:59:26 +0100 (Mon, 31 Dec 2007) | 1 line

  Fix paths for build bot
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  r59623 | christian.heimes | 2007-12-31 16:02:41 +0100 (Mon, 31 Dec 2007) | 1 line

  Fix paths for build bot, part 2
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  r59624 | christian.heimes | 2007-12-31 16:18:55 +0100 (Mon, 31 Dec 2007) | 1 line

  Renamed PCBuild9 directory to PCBuild
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diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst
index fe956b2..3b17d04 100644
--- a/Doc/library/difflib.rst
+++ b/Doc/library/difflib.rst
@@ -6,9 +6,9 @@
    :synopsis: Helpers for computing differences between objects.
 .. moduleauthor:: Tim Peters <tim_one@users.sourceforge.net>
 .. sectionauthor:: Tim Peters <tim_one@users.sourceforge.net>
+.. Markup by Fred L. Drake, Jr. <fdrake@acm.org>
 
 
-.. % LaTeXification by Fred L. Drake, Jr. <fdrake@acm.org>.
 
 This module provides classes and functions for comparing sequences. It
 can be used for example, for comparing files, and can produce difference
@@ -378,6 +378,12 @@
    then ``i+n != i'`` or ``j+n != j'``; in other words, adjacent triples always
    describe non-adjacent equal blocks.
 
+   .. XXX Explain why a dummy is used!
+
+   .. versionchanged:: 2.5
+      The guarantee that adjacent triples always describe non-adjacent blocks was
+      implemented.
+
    ::
 
       >>> s = SequenceMatcher(None, "abxcd", "abcd")