• From: "Len Bullard" <cbullard@h...>
• To: "'John Cowan'" <cowan@m...>, "'Costello, Roger L.'" <costello@m...>
• Date: Sun, 26 Feb 2012 21:40:56 -0600

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:cowan@c...] On Behalf Of John Cowan
Sent: Sunday, February 26, 2012 2:45 PM
To: Costello, Roger L.
Cc: xml-dev@l...
Subject: Re:  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.

• References:
  • Re: What does "optional" mean?
    • From: John Cowan <cowan@m...>