EdgeDetectPreview  566 Magick++/lib/Magick++/Include.h   using MagickCore::EdgeDetectPreview;
EdgeDetectPreview 2526 magick/effect.c       case EdgeDetectPreview:
EdgeDetectPreview 1433 magick/option.c     { "EdgeDetect", EdgeDetectPreview, UndefinedOptionFlag, MagickFalse },