Remove all \bcode / \ecode cruft; this is no longer needed. See previous
checkin of myformat.sty.
Change "\renewcommand{\indexsubitem}{(...)}" to "\setindexsubitem{(...)}"
everywhere.
Some other minor nits that I happened to come across.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 763d2f3..58f268c 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -26,7 +26,7 @@
In addition to whatever the correct OS dependent module exports, the
following variables and functions are always exported by \code{os}:
-\renewcommand{\indexsubitem}{(in module os)}
+\setindexsubitem{(in module os)}
\begin{datadesc}{name}
The name of the OS dependent module imported. The following names