Also got rid of some unnecessary code.

since that's now the recommended way to do it.

In pickling discussion, change "code{pickle}" (not missing leading "\") to
"This" since the immediately preceeding sentence ended with the same text
(with the proper "\").  Fixes a formatting bug and an odd glitch in the
writing.

module documentation.

This seems to take care of everything but tables and equations.

"not in" operator.

	Use spaces instead of tabs to indent structure definition; tabs don't
	work in tex/latex.

PyImport_FrozenModules:
	struct _freeze ==> struct _frozen

status of the GNU readline interface.  Here's a patch, by Vladimir
Marangozov.

save and restore the tstate, but explicitly calling
PyEval_SaveThread() does reset it!  While I think about how to fix
this for real, here's a fix that avoids getting a fatal error.

platforms.  Argh!

This should make everybody happy, especially since we don't say what
the argument type is (there is disagreement on that, too :-( ).

directory structure.