--- a/compiler/PPCNotMessagePredicateNode.st	Thu Apr 30 23:43:14 2015 +0200
+++ b/compiler/PPCNotMessagePredicateNode.st	Sun May 10 06:28:36 2015 +0100
@@ -12,19 +12,19 @@
 !PPCNotMessagePredicateNode methodsFor:'accessing'!
 
 message
-	
-	^ message
+    
+    ^ message
 !
 
 message: anObject
-	
-	message := anObject
+    
+    message := anObject
 ! !
 
 !PPCNotMessagePredicateNode methodsFor:'analysis'!
 
 firstCharSet
-	^ PPCharSetPredicate on: [:e | (predicate value:e)  not ]
+    ^ PPCharSetPredicate on: [:e | (predicate value:e)  not ]
 
     "Modified: / 23-04-2015 / 22:11:23 / Jan Vrany <jan.vrany@fit.cvut.cz>"
 ! !
@@ -32,17 +32,17 @@
 !PPCNotMessagePredicateNode methodsFor:'comparison'!
 
 = anotherNode
-	super = anotherNode ifFalse: [ ^ false ].
-	^ message = anotherNode message.
+    super = anotherNode ifFalse: [ ^ false ].
+    ^ message = anotherNode message.
 !
 
 hash
-	^ super hash bitXor: message hash
+    ^ super hash bitXor: message hash
 ! !
 
 !PPCNotMessagePredicateNode methodsFor:'visiting'!
 
 accept: visitor
-	^ visitor visitNotMessagePredicateNode: self
+    ^ visitor visitNotMessagePredicateNode: self
 ! !