--- a/MessageNode.st	Thu Feb 16 04:03:28 1995 +0100
+++ b/MessageNode.st	Thu Feb 16 17:27:24 1995 +0100
@@ -21,7 +21,7 @@
 COPYRIGHT (c) 1989 by Claus Gittinger
 	      All Rights Reserved
 
-$Header: /cvs/stx/stx/libcomp/MessageNode.st,v 1.17 1995-02-06 02:57:17 claus Exp $
+$Header: /cvs/stx/stx/libcomp/MessageNode.st,v 1.18 1995-02-16 16:27:16 claus Exp $
 '!
 
 !MessageNode class methodsFor:'documentation'!
@@ -42,7 +42,7 @@
 
 version
 "
-$Header: /cvs/stx/stx/libcomp/MessageNode.st,v 1.17 1995-02-06 02:57:17 claus Exp $
+$Header: /cvs/stx/stx/libcomp/MessageNode.st,v 1.18 1995-02-16 16:27:16 claus Exp $
 "
 !
 
@@ -300,7 +300,7 @@
     |needParen selectorParts index index2 arg|
 
     (#(whileTrue: whileFalse:) includes:selector) ifTrue:[
-	(receiver isKindOf:BlockNode) ifTrue:[
+	receiver isBlock ifTrue:[
 	    ^ self printWhileOn:aStream indent:i
 	].
     ].