--- a/DataSetBuilder.st	Tue Jun 02 13:28:52 1998 +0200
+++ b/DataSetBuilder.st	Thu Jun 04 18:31:19 1998 +0200
@@ -2279,14 +2279,15 @@
         [               
             previewColumns do: 
             [:column| 
-                column readSelector:  #at:.
-                column writeSelector: #at:put:.
-                column backgroundSelector:nil.
-                column foregroundSelector:nil.
-                column selectSelector: nil.
-                column doubleClickedSelector: nil.
-                column printSelector: nil.
-                column menu: nil
+                column readSelector:  #at:;
+                    writeSelector: #at:put:;
+                    backgroundSelector:nil;
+                    foregroundSelector:nil;
+                    selectSelector: nil;
+                    doubleClickedSelector: nil;
+                    printSelector: nil;
+                    menu: nil;
+                    choices: nil
             ].
             #('1' '2' '...' 'x') do:
             [:suffix|