AMK's megapatch:
	* \bcode, \ecode added everywhere
	* \label{module-foo} added everywhere
	* A few \seealso sections added.
	* Indentation fixed inside verbatim in lib*tex files
diff --git a/Doc/lib/libregsub.tex b/Doc/lib/libregsub.tex
index d075e99..6d48986 100644
--- a/Doc/lib/libregsub.tex
+++ b/Doc/lib/libregsub.tex
@@ -1,4 +1,5 @@
 \section{Standard Module \sectcode{regsub}}
+\label{module-regsub}
 
 \stmodindex{regsub}
 This module defines a number of functions useful for working with