--- a/EditTextView.st	Fri Aug 23 22:10:20 2019 +0200
+++ b/EditTextView.st	Sat Aug 24 14:32:55 2019 +0200
@@ -1,5 +1,3 @@
-"{ Encoding: utf8 }"
-
 "
  COPYRIGHT (c) 1989 by Claus Gittinger
               All Rights Reserved
@@ -3276,9 +3274,13 @@
                 ] ifFalse:[
                     col2 := (self listAt:lineNr) size.
                 ].
-                newLine := converter value:line value:lineNr value:col1 value:col2.
-                self withoutRedrawAt:lineNr put:newLine.
-                self invalidateLine:lineNr.
+                col1 isNil ifTrue:[
+                    "/ no selection
+                ] ifFalse:[
+                    newLine := converter value:line value:lineNr value:col1 value:col2.
+                    self withoutRedrawAt:lineNr put:newLine.
+                    self invalidateLine:lineNr.
+                ].
             ].
         ].
     ]