first cut at trace module doc
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index c4edbbe..67aab8f 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -360,7 +360,7 @@
 \input{libprofile}              % The Python Profiler
 \input{libhotshot}              % unmaintained C profiler
 \input{libtimeit}
-
+\input{libtrace}
 
 % =============
 % PYTHON ENGINE