Remove all uses of \sectcode; we can now use logical markup everywhere.
diff --git a/Doc/lib/libwhichdb.tex b/Doc/lib/libwhichdb.tex
index 5928126..2caace2 100644
--- a/Doc/lib/libwhichdb.tex
+++ b/Doc/lib/libwhichdb.tex
@@ -1,4 +1,4 @@
-\section{Standard Module \sectcode{whichdb}}
+\section{Standard Module \module{whichdb}}
 \label{module-whichdb}
 \stmodindex{whichdb}