[fpc-pascal] High() and Low() for empty dynamic arrays

[leledumbo]

> Here:
> 
> var MyArray : array of longint;
> 
> begin
>    writeln(low(MyArray));
>    writeln(high(MyArray));
> end.
> 
> prints
> 
> 0
> -1

Is this (High() on empty dynamic arrays return -1) documented somewhere?



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