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/libcrypt.tex b/Doc/lib/libcrypt.tex
index 132ae51..8a4ec92 100644
--- a/Doc/lib/libcrypt.tex
+++ b/Doc/lib/libcrypt.tex
@@ -1,4 +1,5 @@
-\section{Built-in module {\tt crypt}}
+\section{Built-in Module {\tt crypt}}
+\label{module-crypt}
\bimodindex{crypt}
This module implements an interface to the crypt({\bf 3}) routine,