NegateCommand    6466 magick/display.c     case NegateCommand:
NegateCommand    6846 magick/display.c       return(NegateCommand);
NegateCommand    7898 magick/display.c     case NegateCommand:
NegateCommand    11087 magick/display.c       NegateCommand,
NegateCommand    14169 magick/display.c       NegateCommand,