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RE: "contains" must be optional

From: Fisher Mark <fisherm@tce.com>
Date: Wed, 1 Jul 1998 12:43:44 -0500
Message-ID: <2C396693FBDED111AEF60000F84104A721BF28@indyexch_fddi.indy.tce.com>
To: "'Jim Davis'" <jdavis@parc.xerox.com>, "'www-webdav-dasl@w3.org'" <www-webdav-dasl@w3.org>
Jim Davis writes:
>What we have yet to agree on is the MEANS by which such optionality is
>provided.  There are at least two alternatives:
>
>1) the operator itself is optional.  A server need not recognize it
>and MUST return an error if it is used.
>
>2) Every DASL server MUST recognize every operator, and MUST treat the
>results of applying unimplemented operators as unknown.  So
implementation
>is optional, but the syntax isn't.

There isn't a big gain from (2), as the UI result should be the same --
an empty result set along with an error message.  If (2) is chosen, you
still need to implement (1) for truly unknown (mistyped etc.) operators.
So let's go with (1).
> ==========================================================
> Mark Leighton Fisher          Thomson Consumer Electronics
> fisherm@indy.tce.com          Indianapolis, IN
> "Browser Torture Specialist, First Class"
> 
Received on Wednesday, 1 July 1998 13:43:59 GMT

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