New section header style.

Fix up a few synopses.
diff --git a/Doc/lib/liburlparse.tex b/Doc/lib/liburlparse.tex
index 9a2b4f5..60c83cc 100644
--- a/Doc/lib/liburlparse.tex
+++ b/Doc/lib/liburlparse.tex
@@ -1,4 +1,5 @@
-\section{Standard Module \module{urlparse}}
+\section{\module{urlparse} ---
+         Parse URLs into components.}
 \declaremodule{standard}{urlparse}
 
 \modulesynopsis{Parse URLs into components.}