% blur=0.958033808). Now, it is the unique Cubic 'Keys' filter that
% exactly preserves images with only vertical or horizontal features
% when performing 'no-op" with EWA distortion. It turns out to be
-% close to both plain Mitchell (slightly more blurry) and "sharpened"
-% Lanczos2D.
+% close to both plain Mitchell and "sharpened" Lanczos2D.
%
% Special 'expert' options can be used to override any and all filter
% settings. This is not advised unless you have expert knowledge of