> Thank you, Frank. (I'm thinking "FRAHHNNK" as I type this. :)

Your American, it should be FRÄÄÄNK (if You like to take the german letters ;-))


> I had forgotten about the equal operator which changes the
> way the property value is interpreted. That's what it took to make it work.

Fabulous! Good it works


> So there are many ways to get an empty date-time value IF you remember
> to use the equal operator. Without it, none of them produce the desired value.

Yes, there are a few things that can only be achieved using the equal op.