RemoveZeroLayer   496 Magick++/lib/Magick++/Include.h   using MagickCore::RemoveZeroLayer;
RemoveZeroLayer  1191 magick/option.c     { "RemoveZero", RemoveZeroLayer, UndefinedOptionFlag, MagickFalse },
RemoveZeroLayer  7989 wand/mogrify.c               case RemoveZeroLayer: