}
char * err = "Too much wrapping in mv_yx_in_dir_legal().";
exit_err( INT8_MIN == wrap_west_east || INT8_MIN == wrap_north_south
- || INT8_MAX == wrap_west_east || INT8_MAX == wrap_north_south, err);
+ || INT8_MAX == wrap_west_east || INT8_MAX == wrap_north_south,err);
struct yx_uint8 original = *yx;
mv_yx_in_dir(dir, yx);
if (('e' == dir || 'd' == dir || 'c' == dir) && yx->x < original.x)