[postgis-devel] POINT EMPTY in WKB

[Paragon Corporation]

> A final possibility would be to hack POINT EMPTY into WKB, as 
> something like POINT(nan nan nan) or POINT(inf inf inf) or POINT(-0 -0 
> -0). There would be a danger there in platforms that have different 
> interpretations of what nan, inf or -0 are in binary.

I the only issue with POINT EMPTY or ..anyspecifictype EMPTY

I'm a bit bothered about the dump issue you describe -- not being able to
restore exactly what you thought you had.

Thanks,
Regina