--- a/GraphicsMedium.st	Thu Jan 26 14:02:22 2017 +0100
+++ b/GraphicsMedium.st	Sat Jan 28 18:35:17 2017 +0100
@@ -1814,9 +1814,7 @@
 
     left := origin x.
     top := origin y.
-    self displayRectangleX:left y:top
-		     width:(corner x - left)
-		    height:(corner y - top)
+    self displayRectangleX:left y:top width:(corner x - left) height:(corner y - top)
 !
 
 displayRectangleOrigin:origin extent:extent