Remove all uses of \sectcode; we can now use logical markup everywhere.
diff --git a/Doc/lib/libtime.tex b/Doc/lib/libtime.tex
index b8fe4c5..0f0ed01 100644
--- a/Doc/lib/libtime.tex
+++ b/Doc/lib/libtime.tex
@@ -1,4 +1,4 @@
-\section{Built-in Module \sectcode{time}}
+\section{Built-in Module \module{time}}
 \label{module-time}
 \bimodindex{time}