Remove all uses of \sectcode; we can now use logical markup everywhere.
diff --git a/Doc/lib/libtraceback.tex b/Doc/lib/libtraceback.tex
index dd4feb1..f9aa74a 100644
--- a/Doc/lib/libtraceback.tex
+++ b/Doc/lib/libtraceback.tex
@@ -1,4 +1,4 @@
-\section{Standard Module \sectcode{traceback}}
+\section{Standard Module \module{traceback}}
 \label{module-traceback}
 \stmodindex{traceback}