New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libsyslog.tex b/Doc/lib/libsyslog.tex
index cd32bbf..70a05be 100644
--- a/Doc/lib/libsyslog.tex
+++ b/Doc/lib/libsyslog.tex
@@ -1,4 +1,5 @@
-\section{Built-in Module \module{syslog}}
+\section{\module{syslog} ---
+         \UNIX{} syslog library routines.}
 \declaremodule{builtin}{syslog}
 
 \modulesynopsis{An interface to the \UNIX{} syslog library routines.}