CONTRIBUTORS

--- a/CONTRIBUTORS	Sat Feb 16 15:27:10 2013 +0100
+++ b/CONTRIBUTORS	Sun Feb 17 10:40:53 2013 +0100
@@ -6,6 +6,11 @@
 Contributions to this Isabelle version
 --------------------------------------
 
+* 2013: Florian Haftmann, TUM
+  Reworking and consolidation of code generation for target
+  language numerals.
+
+
 Contributions to Isabelle2013
 -----------------------------