questions on nullability

[Dave Herman]

>> But I don't recall it being discussed.
> 
> It was discussed briefly. Two reasons mentioned were compatibility with
> existing implementations (e.g. AS3) and expectations of users familiar
> with mainstream object oriented languages.

A synopsis of some of the discussion is in the wiki at:

     http://developer.mozilla.org/es4/discussion/nullability.html

under "Defaults".

Dave