Merged revisions 60475-60479,60481-60488 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r60482 | raymond.hettinger | 2008-01-31 23:07:16 +0100 (Thu, 31 Jan 2008) | 1 line

  Minor wordsmithing on docstring
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  r60483 | mark.dickinson | 2008-01-31 23:17:37 +0100 (Thu, 31 Jan 2008) | 5 lines

  Issue #1678380.  Fix a bug that identifies 0j and -0j when they appear
  in the same code unit. The fix is essentially the same as the fix for a
  previous bug identifying 0. and -0.
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  r60484 | christian.heimes | 2008-02-01 00:08:23 +0100 (Fri, 01 Feb 2008) | 1 line

  Fixed bug #1983: Return from fork() is pid_t, not int
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  r60486 | jeffrey.yasskin | 2008-02-01 07:22:46 +0100 (Fri, 01 Feb 2008) | 4 lines

  Move __builtins__.trunc() to math.trunc() per
  http://mail.python.org/pipermail/python-dev/2008-January/076626.html and issue
  1965.
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  r60487 | jeffrey.yasskin | 2008-02-01 08:05:46 +0100 (Fri, 01 Feb 2008) | 3 lines

  Roll back r60248. It's useful to encourage users not to change Rational
  instances.
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  r60488 | neal.norwitz | 2008-02-01 08:22:59 +0100 (Fri, 01 Feb 2008) | 1 line

  Fix refleak
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diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index afa9198..596e8a0 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1059,12 +1059,6 @@
    operators such as ``super(C, self)[name]``.
 
 
-.. function:: trunc(x)
-
-   Return the :class:`Real` value *x* truncated to an :class:`Integral` (usually
-   a long integer). Delegates to ``x.__trunc__()``.
-
-
 .. function:: tuple([iterable])
 
    Return a tuple whose items are the same and in the same order as *iterable*'s
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 958d60b..55f7933 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -96,6 +96,14 @@
    Return the fractional and integer parts of *x*.  Both results carry the sign of
    *x*, and both are floats.
 
+
+.. function:: trunc(x)
+
+   Return the :class:`Real` value *x* truncated to an :class:`Integral` (usually
+   a long integer). Delegates to ``x.__trunc__()``.
+
+   .. versionadded:: 2.6
+
 Note that :func:`frexp` and :func:`modf` have a different call/return pattern
 than their C equivalents: they take a single argument and return a pair of
 values, rather than returning their second return value through an 'output