Checking if a string is null

[Frits van Bommel]

Manfred Nowak wrote:
> Frits van Bommel wrote
> 
>> Hint: it's when they're *EQUAL*
> 
> ... and this thread started because of disagreements about "when 
> they're *EQUAL*"[cited from above].

I thought it was about whether null strings should be empty strings.
AFAICT (other than you) nobody contests that empty strings should (and 
do) compare equal to other empty strings. There's just some disagreement 
on what should be considered an "empty string" ;).