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/libsignal.tex b/Doc/lib/libsignal.tex
index 802c4d1..2844b57 100644
--- a/Doc/lib/libsignal.tex
+++ b/Doc/lib/libsignal.tex
@@ -1,4 +1,5 @@
 \section{Built-in Module \sectcode{signal}}
+\label{module-signal}
 
 \bimodindex{signal}
 This module provides mechanisms to use signal handlers in Python.