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/libxmllib.tex b/Doc/lib/libxmllib.tex
index e8ba2e8..d777f08 100644
--- a/Doc/lib/libxmllib.tex
+++ b/Doc/lib/libxmllib.tex
@@ -10,7 +10,7 @@
 The \code{XMLParser} class must be instantiated without arguments.  It 
 has the following interface methods:
 
-\renewcommand{\indexsubitem}{(XMLParser method)}
+\setindexsubitem{(XMLParser method)}
 
 \begin{funcdesc}{reset}{}
 Reset the instance.  Loses all unprocessed data.  This is called