W3C home > Mailing lists > Public > xml-uri@w3.org > May 2000

A thought about relative URI comparison

From: David G. Durand <david@dynamicdiagrams.com>
Date: Tue, 16 May 2000 16:29:19 -0400
Message-Id: <a04310104b5475786c940@[]>
To: <xml-uri@w3.org>
Since the Namespace specification does not specify _what_ base URI 
should be used, it would be possible to say that namespaces are 
always resolved relative to the empty string.

As I understand the normalization algorithm, this is close (but not 
identical) to the "literal comparison" option. It's not identical 
because this would mean that occurrences of ../ would be deleted in 
certain circumstances. Further it would make leading ../ formally 
illegal, though permissible.

I believe that this could be folded into XML Base as part of the 
definition of the Base URI for a namespace.

I'm not really suggesting that this is a good solution; rather, I 
think it's interesting that one could substantially get the effect of 
string-based comparison, while nominally preserving a "relative URI" 

   -- David
David Durand              dgd@cs.bu.edu  \  david@dynamicDiagrams.com
http://cs-people.bu.edu//dgd/             \  Chief Technical Officer
     Graduate Student no more!              \  Dynamic Diagrams
--------------------------------------------\  http://www.dynamicDiagrams.com/
Received on Tuesday, 16 May 2000 16:40:48 UTC

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