error_limit      1401 ext/gd/libgd/gd_topal.c   int *error_limit = cquantize->error_limiter;
error_limit      1468 ext/gd/libgd/gd_topal.c 	  cur0 = error_limit[cur0];
error_limit      1469 ext/gd/libgd/gd_topal.c 	  cur1 = error_limit[cur1];
error_limit      1470 ext/gd/libgd/gd_topal.c 	  cur2 = error_limit[cur2];