In a number of places code still revers
to "sys.platform == 'mac'" and that is
dead code because it refers to a platform
that is no longer supported (and hasn't been
supported for several releases).

Fixes issue #7908 for the trunk.
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index 6777196..77f867b 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -47,7 +47,7 @@
 .. data:: name
 
    The name of the operating system dependent module imported.  The following
-   names have currently been registered: ``'posix'``, ``'nt'``, ``'mac'``,
+   names have currently been registered: ``'posix'``, ``'nt'``,
    ``'os2'``, ``'ce'``, ``'java'``, ``'riscos'``.