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Re: Schema Validation Transform

From: Joseph Reagle <reagle@w3.org>
Date: Tue, 28 Aug 2001 14:19:55 -0400
To: "Dournaee, Blake" <bdournaee@rsasecurity.com>, w3c-ietf-xmldsig@w3.org
Message-Id: <20010828181956.589DA87618@policy.w3.org>
On Monday 27 August 2001 20:21, Dournaee, Blake wrote:
> I see no qualifier (REQUIRED, RECOMMENDED, OPTIONAL) for the schema
> validation transform that is mentioned in the latest PR for XML Dsig. What
> is the status of this? Did I just miss it?

No ... I suppose it isn't right not to have some label on it, but I wouldn't 
even call it  OPTIONAL. Or it's no more OPTIONAL than the many other 
transforms out there that we didn't specify, I just realized we needed some 
text to make it clear what is involved with schema validation since it was a 
confusing FAQ. But I didn't want to hitch advancement of xmldsig to the 
interop of schema.

I suppose our options are:
1. Remove the text.
2. Make it clearer that it's merely informational.
3. Call it OPTIONAL and get an interop on schema validated processing; the 
odd thing is if the validator is implemented correctly it will have no affect 
in almost all cases. It's the non-compliant validators that cause the 
problem, and it doesn't seem right to make interoperable schema validation a 
milestone for xmldsig.
4. Call it NOT RECOMMENDED *unless* you are sure you are using conformant 

Given the state of schema implementation, I think I favor 4.
Received on Tuesday, 28 August 2001 14:20:03 UTC

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