Remove all uses of \sectcode; we can now use logical markup everywhere.
diff --git a/Doc/lib/libuu.tex b/Doc/lib/libuu.tex
index 82621b9..5c9e06c 100644
--- a/Doc/lib/libuu.tex
+++ b/Doc/lib/libuu.tex
@@ -1,4 +1,4 @@
-\section{Standard Module \sectcode{uu}}
+\section{Standard Module \module{uu}}
 \label{module-uu}
 \stmodindex{uu}