Add obsolescence note to the module descriptions that get added to the
list of module synopses at the front of the chapter; based on a comment
from Aahz <aahz@panix.com>.
diff --git a/Doc/lib/libregex.tex b/Doc/lib/libregex.tex
index 444b922..291e96f 100644
--- a/Doc/lib/libregex.tex
+++ b/Doc/lib/libregex.tex
@@ -1,8 +1,9 @@
\section{\module{regex} ---
- Regular expression search and match operations.}
+ Regular expression operations}
\declaremodule{builtin}{regex}
-\modulesynopsis{Regular expression search and match operations.}
+\modulesynopsis{Regular expression search and match operations.
+ \strong{Obsolete!}}
This module provides regular expression matching operations similar to