New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libtempfile.tex b/Doc/lib/libtempfile.tex
index dadd357..95034bb 100644
--- a/Doc/lib/libtempfile.tex
+++ b/Doc/lib/libtempfile.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{tempfile}}
+\section{\module{tempfile} ---
+         Generate temporary file names.}
 \declaremodule{standard}{tempfile}
 
 \modulesynopsis{Generate temporary file names.}