useGlobalColormap  141 ext/gd/libgd/gd_gif_in.c 	int             gif87a, useGlobalColormap;
useGlobalColormap  215 ext/gd/libgd/gd_gif_in.c 		useGlobalColormap = ! BitSet(buf[8], LOCALCOLORMAP);
useGlobalColormap  234 ext/gd/libgd/gd_gif_in.c 		if (!useGlobalColormap) {