Remove all uses of \sectcode; we can now use logical markup everywhere.
diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex
index 1732d85..8995798 100644
--- a/Doc/lib/liburllib.tex
+++ b/Doc/lib/liburllib.tex
@@ -1,4 +1,4 @@
-\section{Standard Module \sectcode{urllib}}
+\section{Standard Module \module{urllib}}
 \label{module-urllib}
 \stmodindex{urllib}
 \index{WWW}