a string.

Suggested by Terry J. Reedy in #12298.

mapped to POSIX errno ENOTDIR (previously EINVAL).

Text adapted from the PEP.  Addition requested by Terry J. Reedy on
2011-02-23 on python-dev.

This was discussed some months ago on python-dev.  Having tons of links
to the definition of True would be annoying, contrary to links to e.g.
the nonlocal or with statements doc.

This is a temporary kludge and all is well in 3.3.

Patch by Hallvard B Furuseth.

some functions like file.write().

the C pickle implementation.

(more than 2**31 items).  Instead, in most cases, an OverflowError is raised.

greater than FD_SETSIZE.

If the version of zlib used to compile the zlib module is incompatible
with the one that is actually linked in, then calls into zlib will fail.
This can leave attributes of the z_stream uninitialized, so we must take
care to avoid segfaulting by trying to use an invalid pointer.

Fix by Richard M. Tew.