--- a/Behavior.st	Tue Feb 03 14:56:39 2015 +0100
+++ b/Behavior.st	Tue Feb 03 14:57:05 2015 +0100
@@ -1257,6 +1257,7 @@
 ! !
 
 
+
 !Behavior methodsFor:'RefactoringBrowser'!
 
 realClass
@@ -3974,6 +3975,12 @@
     "Created: 3.6.1997 / 12:01:05 / cg"
 !
 
+hasImmutableInstances
+    "are this classes instances immutable?"
+
+    ^ false
+!
+
 hasInstances
     "return true, if there are any instances of myself"
 
@@ -5067,10 +5074,10 @@
 !Behavior class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/Behavior.st,v 1.363 2015-01-12 20:57:31 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/Behavior.st,v 1.364 2015-02-03 13:57:05 stefan Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libbasic/Behavior.st,v 1.363 2015-01-12 20:57:31 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/Behavior.st,v 1.364 2015-02-03 13:57:05 stefan Exp $'
 ! !