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RE: RE: Compelling use case for XML Catalogs?

• From: "Costello, Roger L." <costello@mitre.org>
• To: "xml-dev@lists.xml.org" <xml-dev@lists.xml.org>
• Date: Mon, 13 Jun 2011 11:24:35 -0400

John Cowan responded to my post:

> Does XML Catalog have the ability to express this:
>>
>>[snip various conditional things]
>>
>> No, of course not.  Catalogs can only express one thing: when you
>> see this URI, use this other URI instead.  (And ditto for public
>> identifiers.)

The inability of XML Catalog to check for the presence of correct URLs seems like a significant limitation.

XML Catalog only works if: 

    - you have pre-knowledge of exactly what URLs will
      be present in the XML (XSLT, XSD, RNG, SVG, etc.) 
      documents that you receive/process

     - the XML documents will always contain the correct 
       URL; there will never be any accidental or malicious
       alteration of URLs

Yes?

/Roger

• Follow-Ups:
  • RE: RE: Compelling use case for XML Catalogs?
    • From: "Costello, Roger L." <costello@mitre.org>
  • RE: RE: Compelling use case for XML Catalogs?
    • From: "Tony Graham" <tgraham@mentea.net>
  • RE: RE: Compelling use case for XML Catalogs?
    • From: Liam R E Quin <liam@w3.org>
  • Re: RE: Compelling use case for XML Catalogs?
    • From: Chris Burdess <dog@bluezoo.org>
  • Re: RE: Compelling use case for XML Catalogs?
    • From: David Carlisle <davidc@nag.co.uk>
  • RE: RE: Compelling use case for XML Catalogs?
    • From: "David Lee" <dlee@calldei.com>

• References:
  • Compelling use case for XML Catalogs?
    • From: "Costello, Roger L." <costello@mitre.org>
  • RE: Compelling use case for XML Catalogs?
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: RE: Compelling use case for XML Catalogs?
    • From: John Cowan <cowan@mercury.ccil.org>