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/libgopherlib.tex b/Doc/libgopherlib.tex
index b0ebcf7..eb6d2a6 100644
--- a/Doc/libgopherlib.tex
+++ b/Doc/libgopherlib.tex
@@ -3,7 +3,7 @@
 \stmodindex{gopherlib}
 \indexii{Gopher}{protocol}
 
-\renewcommand{\indexsubitem}{(in module gopherlib)}
+\setindexsubitem{(in module gopherlib)}
 
 This module provides a minimal implementation of client side of the
 the Gopher protocol.  It is used by the module \code{urllib} to handle