[fpc-pascal] Boolean expression short-circuit

[Matt Emson]

> Thanks, I guess I lost the argument :]. Anyway, I guess it wouldn't hurt
> to clarify that just a little bit in the manual :-/

However, IIRC "complete boolean eval" (which is what delphi calls it) would
blow the code up, as even if Foo was nil, the second half would be evaluated
regardless.

Maybe that will go some way to winning part of the argument? ;-)