[Patch #772077 from Tim Rice] Fix for compiling the readline module on UnixWare; fix goofy comment indent.  2.3 bugfix candidate

[Bug #822668] tarfile raises an exception if the tarfile is gzipped and is too large; the gzip filesize should be written out mod 2**32.  (Reported by Johan Fredrik Ohman)

charmaptranslate_makespace() allocated more memory than required for the
next replacement but didn't remember that fact, so memory size was growing
exponentially every time a replacement string is longer that one character.
This fixes SF bug #828737.

It works like the pure python verion except:
* it stops storing data after of the iterators gets deallocated
* the data queue is implemented with two stacks instead of one dictionary.

  struct_pwent; this has been renamed to struct_passwd.  (The old name
  is still supported for backwards compatibility.)

Backported to 2.3.

  since this gets asked at the docs at python.org address a lot
- fix some minor style violations and inconsistencies

[Part of patch #648322] Delete the poll2() function, which uses a 'poll' extension module that was once part of Medusa.  Contributed by Kjetil Jacobsen

  of the dispatcher object break.  e.g. if you close() the object, it
  tries to remove itself from the default map, not from the map the
  dispatcher was created with.

  The patch, from Stephane Ninin, records the map as an attribute of
  the dispatcher instance.

2.3 bugfix candidate.

This closes SF bug #827260.

Even if a new dict is generated for locals, it is stored in
f->f_locals.

The patch was tweaked slightly.  It's get a different mechanism for
generating the cnonce which uses /dev/urandom when possible to
generate less-easily-guessed random input.

Also rearrange the imports so that they are alphabetical and
duplicates are eliminated.

Add a few XXX comments about things left undone and things that could
be improved.

- start cleaning up the markup for consistency
- comment out the reference to a MS KnowledgeBase article that doesn't
  seem to be present at msdn.microsoft.com; hopefully someone can
  point out an alternate source for the relevant information

generator.  See SF bug #818861.

iterator where it probably shouldn't have.
Closes SF bug #818861.

This avoids having to modify the Expat sources in any way starting
with Expat 1.95.7.

rather than showing weird numbers like 8.4e+03 usec.

(From SF patch #810751)

to handle situations like ``if (foo) Py_RETURN_NONE else ...``.

order to prevent any unexpected surprises from someone using them in a
conditional without using curly braces (e.g., ``if (foo) Py_RETURN_TRUE``.

the specified value.  All three Py_INCREF the singleton and then return it.

- skip building HTML documentation if it is not available.
- Removal of patches, which can't be referenced from a build
directly from the tar-file.
- Using the RPM tmp directory macro for the buildroot location.
- Ensuring that the clean directive doesn't accidentally
delete the users root directory or another directory.
- --enable-unicode=ucs4 in configure line.
Backported to 2.3.