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.

left margin.

checkin of myformat.sty.

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

Some other minor nits that I happened to come across.

Added index references to referred-to modules.

Added seealso section pointing to the glob module.

Removed description of translate().

1.5, it produces Perl style syntax.  Also change "Python's regular
expressions" into plain "regular expression" in the intro.

wrong module.

	* \bcode, \ecode added everywhere
	* \label{module-foo} added everywhere
	* A few \seealso sections added.
	* Indentation fixed inside verbatim in lib*tex files