parameters (like \UNIX) are commonly entered using an empty group to
separate the markup from a following inter-word space; this is not
needed when the next character is punctuation, or the markup is the
last thing in the enclosing group. These cases were marked
inconsistently; the empty group is now *only* used when needed.
\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.