This closes SF patch #443788.

more references to other modules in the text hyperlinks for the HTML and
PDF versions.

Fix up a few synopses.

is now a tuple of various and sundry exceptions.

This is the last separation; each module now gets its own section.  This will
be useful in performing conversions.

works better with LaTeX2HTML, and allows some simplification of the python.sty
macros.

Logical markup.

checkin of myformat.sty.

Change "\renewcommand{\indexsubitem}{(...)}" to "\setindexsubitem{(...)}"
everywhere.

Some other minor nits that I happened to come across.

the documentation here.