checkin of myformat.sty.
Change "\renewcommand{\indexsubitem}{(...)}" to "\setindexsubitem{(...)}"
everywhere.
Some other minor nits that I happened to come across.
messed up (but not checked in) version in my work files and didn't
notice before releasing 1.5 -- at least the distributed latex file
doesn't have the bogus warning about changed __init__ semantics.