New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/libmimify.tex b/Doc/lib/libmimify.tex
index 87740b3..7d91d99 100644
--- a/Doc/lib/libmimify.tex
+++ b/Doc/lib/libmimify.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{mimify}}
+\section{\module{mimify} ---
+         Mimification and unmimification of mail messages.}
 \declaremodule{standard}{mimify}
 
 \modulesynopsis{Mimification and unmimification of mail messages.}