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/mapping.rst b/Doc/c-api/mapping.rst
index 177b215..c2c22e5 100644
--- a/Doc/c-api/mapping.rst
+++ b/Doc/c-api/mapping.rst
@@ -12,7 +12,8 @@
    function always succeeds.
 
 
-.. cfunction:: Py_ssize_t PyMapping_Length(PyObject *o)
+.. cfunction:: Py_ssize_t PyMapping_Size(PyObject *o)
+               Py_ssize_t PyMapping_Length(PyObject *o)
 
    .. index:: builtin: len
 
@@ -20,6 +21,10 @@
    objects that do not provide mapping protocol, this is equivalent to the Python
    expression ``len(o)``.
 
+   .. versionchanged:: 2.5
+      These functions returned an :ctype:`int` type. This might require
+      changes in your code for properly supporting 64-bit systems.
+
 
 .. cfunction:: int PyMapping_DelItemString(PyObject *o, char *key)