PEP 4.

Closes SF bug #551912.

translation more difficult, as well as reading the English more
difficult for non-native speakers.

Adjust markup to be a little more consistent with the rest of the
document.

Fix up a few synopses.

	\setindexsubitem{(in module frobnitz)}

These are no longer needed when present before any other \setindexsubitem{}
in the module section.  The indexsubitem is now set by \bimodindex and
\stmodindex.

checkin of myformat.sty.

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

Some other minor nits that I happened to come across.