diff -r 5b0c3dcfbad2 -r 511c906c66a3 CONTRIBUTORS
--- a/CONTRIBUTORS	Sat Oct 15 00:08:14 2005 +0200
+++ b/CONTRIBUTORS	Sat Oct 15 00:08:15 2005 +0200
@@ -1,3 +1,10 @@
+
+Contributions to Isabelle
+-------------------------
+
+* October 2005: Martin Wildmoser, TUM
+  Sketch for Isar 'guess' element.
+  
 
 Contributions to Isabelle 2005
 ------------------------------