--- a/DSVColumnView.st	Thu May 21 03:07:34 1998 +0200
+++ b/DSVColumnView.st	Thu May 21 03:45:40 1998 +0200
@@ -1443,7 +1443,8 @@
     |colNr rowNr lsize found column|
 
     (rowIfAbsentBlock notNil 
-     or:[(colNr := self xVisibleToColNr:x) isNil]) ifTrue:[
+     or:[x isNil
+     or:[(colNr := self xVisibleToColNr:x) isNil]]) ifTrue:[
         ^ self
     ].
     rowNr  := self lastIndexSelected.
@@ -1464,7 +1465,7 @@
         self selectColIndex:colNr rowIndex:found.
     ].
 
-    "Modified: / 21.4.1998 / 20:41:25 / cg"
+    "Modified: / 21.5.1998 / 03:30:22 / cg"
 !
 
 contentsChanged
@@ -2658,5 +2659,5 @@
 !DSVColumnView class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libwidg2/DSVColumnView.st,v 1.38 1998-05-20 07:38:45 ca Exp $'
+    ^ '$Header: /cvs/stx/stx/libwidg2/DSVColumnView.st,v 1.39 1998-05-21 01:45:40 cg Exp $'
 ! !