Merged revisions 82832,82834 via svnmerge from

svn+ssh://svn.python.org/python/branches/py3k

........
  r82832 | georg.brandl | 2010-07-12 11:00:29 +0200 (Mo, 12 Jul 2010) | 1 line

  Take care of duplicate target name warnings.
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  r82834 | georg.brandl | 2010-07-12 11:06:13 +0200 (Mo, 12 Jul 2010) | 1 line

  Use raw string literals for regexes containing backlash.
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Doc/faq/extending.rst

@@ -26,6 +26,8 @@ function that is going to be called by the Python interpreter.  Global or static
 C++ objects with constructors are probably not a good idea.
 
 
+.. _c-wrapper-software:
+
 Writing C is hard; are there any alternatives?
 ----------------------------------------------
 
@@ -197,11 +199,7 @@ begin by reading :ref:`the "Extending and Embedding" document
 whole lot of difference between C and C++ -- so the strategy of building a new
 Python type around a C structure (pointer) type will also work for C++ objects.
 
-For C++ libraries, you can look at `SIP
-<http://www.riverbankcomputing.co.uk/software/sip/>`_, `CXX
-<http://cxx.sourceforge.net/>`_, `Boost
-<http://www.boost.org/libs/python/doc/index.html>`_, `Weave
-<http://www.scipy.org/site_content/weave>`_ or `SWIG <http://www.swig.org>`_
+For C++ libraries, see :ref:`c-wrapper-software`.
 
 
 I added a module using the Setup file and the make fails; why?

Doc/library/re.rst

@@ -1226,9 +1226,9 @@ in each word of a sentence except for the first and last characters::
    ...   random.shuffle(inner_word)
    ...   return m.group(1) + "".join(inner_word) + m.group(3)
    >>> text = "Professor Abdolmalek, please report your absences promptly."
-   >>> re.sub("(\w)(\w+)(\w)", repl, text)
+   >>> re.sub(r"(\w)(\w+)(\w)", repl, text)
    'Poefsrosr Aealmlobdk, pslaee reorpt your abnseces plmrptoy.'
-   >>> re.sub("(\w)(\w+)(\w)", repl, text)
+   >>> re.sub(r"(\w)(\w+)(\w)", repl, text)
    'Pofsroser Aodlambelk, plasee reoprt yuor asnebces potlmrpy.'