Sorry, could you give an example input icdiff performs poorly on? I just tried it on "red" and "blue", and got http://www.jefftk.com/icdiff-red-blue-2x.png htt

Sorry, could you give an example input icdiff performs poorly on? I just tried it on "red" and "blue", and got http://www.jefftk.com/icdiff-red-blue-2x.png http://www.jefftk.com/icdiff-red-blue-2x.png which seems pretty reasonable to me.