checkin of myformat.sty.

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

Some other minor nits that I happened to come across.

normal modules portion of the manual, but that's the basic effect of this
section with the 1.5 change in exception support.

change the \indexsubitem value; fixed.

on the StandardError class.

 unified style; etc.