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RE: collection with ordered members

From: Yaron Goland <yarong@microsoft.com>
Date: Mon, 20 Oct 1997 22:58:54 -0700
Message-ID: <11352BDEEB92CF119F3F00805F14F48503F9F170@RED-44-MSG.dns.microsoft.com>
To: "'Jim Davis'" <jdavis@parc.xerox.com>, w3c-dist-auth@w3.org
Compound documents are not collections. Collections are only used, by
definition, for unordered membership lists. I will make that clearer in
the spec.

If a resource is a collection then it supports INDEX, the opposite is
not necessarily true.

So, for example, someone could PUT a MIME multipart on a server. The
server, which sprekens ze multipart, could automatically support the
INDEX method on that resource. Even better, it could enhance the INDEX
results to include a property which identifies the section ID and
ordering information for the multipart. However this sort of
functionality can be built on top of DAV without requiring any
modifications to DAV.


> -----Original Message-----
> From:	Jim Davis [SMTP:jdavis@parc.xerox.com]
> Sent:	Monday, October 20, 1997 8:58 PM
> To:	w3c-dist-auth@w3.org
> Subject:	collection with ordered members 
> For certain applications, it is important to be able to specify the
> order
> of members of a collection.  For example,  a compound document made of
> pages wants a well defined order of the pages.
> The spec says nothing whatsoever about the order of members when one
> does
> an INDEX.  It should say something, even if what it says is "no
> promises".
> I would like to have ordered collections, but I can appreciate that in
> the
> interests of simplicity you might not want to support this.  If there
> is
> interest in extending the spec to support ordered collections, I would
> be
> happy to write up some ideas about how to do it.  Basically, I'd
> suggest
> adding headers to PUT and ADDREF allowing you to specify the URI of a
> resource that the resource being added is to come either after or
> before.
> I would not propose any method for re-ordering collections at this
> time.
Received on Tuesday, 21 October 1997 01:59:30 UTC

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