error ("Window height %d too small (after splitting)", size_int);
if (size_int + window_safe_height > XFASTINT (o->total_lines))
error ("Window height %d too small (after splitting)",
error ("Window height %d too small (after splitting)", size_int);
if (size_int + window_safe_height > XFASTINT (o->total_lines))
error ("Window height %d too small (after splitting)",