RemoveZeroLayer   674 Magick++/lib/Magick++/Include.h   using MagickCore::RemoveZeroLayer;
RemoveZeroLayer  1238 magick/option.c     { "RemoveZero", RemoveZeroLayer, UndefinedOptionFlag, MagickFalse },
RemoveZeroLayer  8249 wand/mogrify.c               case RemoveZeroLayer: