CONTRIBUTORS

--- a/CONTRIBUTORS	Wed Nov 08 11:22:40 2006 +0100
+++ b/CONTRIBUTORS	Wed Nov 08 11:23:09 2006 +0100
@@ -2,6 +2,9 @@
 Contributions to Isabelle
 -------------------------
 
+* November 2006: Lukas Bulwahn, TUM
+  HOL/function: method "lexicographic_order".
+
 * October 2006: Stefan Hohe, TUM
   HOL-Algebra: ideals and quotients over rings.