RiemersmaDitherMethod  898 magick/option.c     { "Riemersma", (ssize_t) RiemersmaDitherMethod, MagickFalse },
RiemersmaDitherMethod 1884 magick/quantize.c   if (cube_info->quantize_info->dither_method != RiemersmaDitherMethod)
RiemersmaDitherMethod 2240 magick/quantize.c   quantize_info->dither_method=RiemersmaDitherMethod;