Merged revisions 71898-71900,71910,71914-71919 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r71898 | jeroen.ruigrok | 2009-04-25 16:24:30 +0200 (za, 25 apr 2009) | 2 lines

  Reformat prior to editing.
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  r71899 | jeroen.ruigrok | 2009-04-25 16:27:00 +0200 (za, 25 apr 2009) | 3 lines

  The type for ppos has been Py_ssize_t since 2.5, reflect this in the
  documentation.
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  r71900 | jeroen.ruigrok | 2009-04-25 16:28:02 +0200 (za, 25 apr 2009) | 2 lines

  Reformat paragraph.
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  r71910 | jeroen.ruigrok | 2009-04-25 19:59:03 +0200 (za, 25 apr 2009) | 4 lines

  Issue #4129: Belatedly document which C API functions had their argument(s) or
  return type changed from int or int * to Py_ssize_t or Py_ssize_t * as this
  might cause problems on 64-bit platforms.
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  r71914 | jeroen.ruigrok | 2009-04-25 20:31:20 +0200 (za, 25 apr 2009) | 2 lines

  Reformat prior to editing.
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  r71915 | jeroen.ruigrok | 2009-04-25 20:46:03 +0200 (za, 25 apr 2009) | 2 lines

  Issue #4129: Document more int -> Py_ssize_t changes.
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  r71916 | jeroen.ruigrok | 2009-04-25 20:53:48 +0200 (za, 25 apr 2009) | 2 lines

  Reformat prior to editing.
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  r71917 | jeroen.ruigrok | 2009-04-25 20:57:32 +0200 (za, 25 apr 2009) | 2 lines

  Reference to an int type, whereas it's a Py_ssize_t as the synopsis states.
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  r71918 | jeroen.ruigrok | 2009-04-25 21:04:15 +0200 (za, 25 apr 2009) | 2 lines

  Since I edited this file, reformat for future edits.
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  r71919 | jeroen.ruigrok | 2009-04-25 21:10:52 +0200 (za, 25 apr 2009) | 2 lines

  Reformat prior to editing.
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diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst
index 8a40f22..600fcac 100644
--- a/Doc/c-api/arg.rst
+++ b/Doc/c-api/arg.rst
@@ -278,10 +278,10 @@
 
 ``w#`` (read-write character buffer) [char \*, int]
    Like ``s#``, but accepts any object which implements the read-write buffer
-   interface.  The :ctype:`char \*` variable is set to point to the first byte of
-   the buffer, and the :ctype:`int` is set to the length of the buffer.  Only
-   single-segment buffer objects are accepted; :exc:`TypeError` is raised for all
-   others.
+   interface.  The :ctype:`char \*` variable is set to point to the first byte
+   of the buffer, and the :ctype:`int` is set to the length of the buffer.
+   Only single-segment buffer objects are accepted; :exc:`TypeError` is raised
+   for all others.
 
 ``(items)`` (tuple) [*matching-items*]
    The object must be a Python sequence whose length is the number of format units
@@ -406,6 +406,10 @@
 
       PyArg_ParseTuple(args, "O|O:ref", &object, &callback)
 
+   .. versionchanged:: 2.5
+      This function used an :ctype:`int` type for *min* and *max*. This might
+      require changes in your code for properly supporting 64-bit systems.
+
 
 .. cfunction:: PyObject* Py_BuildValue(const char *format, ...)