UndefinedAlphaChannel 2728 magick/image.c     case UndefinedAlphaChannel:
UndefinedAlphaChannel   95 magick/option.c     { "Undefined", (ssize_t) UndefinedAlphaChannel, MagickTrue },
UndefinedAlphaChannel  108 magick/option.c     { (char *) NULL, (ssize_t) UndefinedAlphaChannel, MagickFalse }