UndefinedMode    1286 magick/option.c     { "Undefined", (ssize_t) UndefinedMode, MagickTrue },
UndefinedMode    1290 magick/option.c     { (char *) NULL, (ssize_t) UndefinedMode, MagickFalse }
UndefinedMode    1199 wand/montage.c             mode=UndefinedMode;
UndefinedMode    1225 wand/montage.c             if (mode == UndefinedMode)