CONTRIBUTORS

--- a/CONTRIBUTORS	Fri Jun 05 13:35:33 2009 +0200
+++ b/CONTRIBUTORS	Fri Jun 05 14:07:54 2009 +0200
@@ -7,6 +7,11 @@
 Contributions to this Isabelle version
 --------------------------------------
 
+* June 2009: Andreas Lochbihler, Uni Karlsruhe
+  HOL/Library/Fin_Fun: almost everywhere constant functions
+
+* June 2009: Florian Haftmann, TUM
+  HOL/Library/Tree: searchtrees implementing mappings, ready to use for code generation
 
 Contributions to Isabelle2009
 -----------------------------