Doom3 is the proof that “keep it simple” works
Not to brag but <a href="https://github.com/dhewm/dhewm3/blob/master/neo/idlib/Heap.cpp#L154" rel="nofollow">https://github.com/dhewm/dhewm3/blob/master/neo/idlib/Heap.c...</a> (from line 154 down) that seems like another point against using tabs.