--- a/ImageEditor.st	Fri Sep 30 16:48:16 2016 +0200
+++ b/ImageEditor.st	Wed Oct 05 17:35:22 2016 +0200
@@ -5638,7 +5638,7 @@
 !
 
 ditherToDepth:depth
-    |ditherColors newImage useStandardColors nGrey greyColorsAlready additionalGreyColors moreColors d|
+    |ditherColors newImage useStandardColors nGrey greyColorsAlready moreColors d|
 
     useStandardColors := true.
 "/    useStandardColors := Dialog confirmWithCancel:'Dither in standard colors or use a new (optimized) colormap ?'.