--- a/ClassDefinitionChange.st	Mon May 11 15:18:28 2015 +0200
+++ b/ClassDefinitionChange.st	Wed May 27 15:27:23 2015 +0200
@@ -95,7 +95,7 @@
 !
 
 classVariableString
-    ^ classVariableString
+    ^ classVariableString ? ''
 !
 
 classVariableString:aString
@@ -195,7 +195,7 @@
 !
 
 instanceVariableString
-    ^ instanceVariableString
+    ^ instanceVariableString ? ''
 !
 
 instanceVariableString:aString
@@ -901,11 +901,11 @@
 !ClassDefinitionChange class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic3/ClassDefinitionChange.st,v 1.97 2015-04-19 22:28:16 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic3/ClassDefinitionChange.st,v 1.98 2015-05-27 13:27:23 cg Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libbasic3/ClassDefinitionChange.st,v 1.97 2015-04-19 22:28:16 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic3/ClassDefinitionChange.st,v 1.98 2015-05-27 13:27:23 cg Exp $'
 !
 
 version_HG
@@ -914,6 +914,6 @@
 !
 
 version_SVN
-    ^ '$Id: ClassDefinitionChange.st,v 1.97 2015-04-19 22:28:16 cg Exp $'
+    ^ '$Id: ClassDefinitionChange.st,v 1.98 2015-05-27 13:27:23 cg Exp $'
 ! !