--- a/Scanner.st	Mon Aug 26 09:43:06 2019 +0200
+++ b/Scanner.st	Mon Aug 26 23:23:16 2019 +0200
@@ -3656,9 +3656,7 @@
 
     |skipping actionBlock v ch tok|
 
-    source isPositionable ifTrue:[
-        tokenLastEndPosition := source position+1.
-    ].
+    tokenLastEndPosition := source position+1.
 
     [
         peekChar notNil ifTrue:[