Although derivable from the three: not yet or not now. Irrelevant seems
prejudicial but not wrong. Lack of knowledge is fundamental
Shannon/Boltzman.
len
-----Original Message-----
From: John Cowan [mailto:] On Behalf Of John Cowan
Sent: Sunday, February 26, 2012 2:45 PM
To: Costello, Roger L.
Cc:
Subject: Re: [xml-dev] What does "optional" mean?
Costello, Roger L. scripsit:
> I've listed three possible meanings of "optional":
>
> -- In the first meaning, it indicates: of-lesser-importance.
>
> -- In the second meaning, it indicates: irrelevance.
>
> -- In the third meaning, it indicates: lack-of-knowledge.