--- a/ChangesBrowser.st	Wed Nov 23 00:12:17 1994 +0100
+++ b/ChangesBrowser.st	Mon Nov 28 22:11:47 1994 +0100
@@ -25,7 +25,7 @@
 COPYRIGHT (c) 1990 by Claus Gittinger
 	    All Rights Reserved
 
-$Header: /cvs/stx/stx/libtool/ChangesBrowser.st,v 1.19 1994-11-17 14:44:05 claus Exp $
+$Header: /cvs/stx/stx/libtool/ChangesBrowser.st,v 1.20 1994-11-28 21:11:47 claus Exp $
 '!
 
 !ChangesBrowser class methodsFor:'documentation'!
@@ -46,7 +46,7 @@
 
 version
 "
-$Header: /cvs/stx/stx/libtool/ChangesBrowser.st,v 1.19 1994-11-17 14:44:05 claus Exp $
+$Header: /cvs/stx/stx/libtool/ChangesBrowser.st,v 1.20 1994-11-28 21:11:47 claus Exp $
 "
 !
 
@@ -142,6 +142,7 @@
  
     |aStream|
 
+    (changeNr between:1 and:changePositions size) ifFalse:[^ nil].
     aStream := FileStream readonlyFileNamed:changeFileName.
     aStream isNil ifTrue:[^ nil].
     aStream position:(changePositions at:changeNr).