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RE: Required properties with no value [WAS: workspace property on res ources that aren't in workspaces]

From: Julian Reschke <julian.reschke@greenbytes.de>
Date: Thu, 26 Sep 2002 22:45:00 +0200
To: "Clemm, Geoff" <gclemm@rational.com>, "WebDAV \(E-mail\)" <w3c-dist-auth@w3.org>, <ietf-dav-versioning@w3.org>
Message-ID: <JIEGINCHMLABHJBIGKBCOEPPFGAA.julian.reschke@greenbytes.de>
Required properties with no value [WAS: workspace property on resources that
aren't in workspaces]I think this case is a bit different.

For DAV:checked-in and DAV:checked-out the spec is very clear that they
aren't *present* for resources that don't happen to be checked-out /

In *this* case (DAV:workspace), the spec is just silent about the value for
a resource that happens to be in no workspace.

Furthermore, I don't think a) would work for DAV:checked-in -- clients
already check for the *presence* of this property to find out whether a
resource is checked-in, and RFC3253 explicitly says this is ok...:

"This property appears on a checked-in version-controlled resource, and
identifies a version that has the same content and dead properties as the
version-controlled resource. This property is removed when the resource is
checked out, and then added back (identifying a new version) when the
resource is checked back in."

<green/>bytes GmbH -- http://www.greenbytes.de -- tel:+492512807760

  -----Original Message-----
  From: ietf-dav-versioning-request@w3.org
[mailto:ietf-dav-versioning-request@w3.org]On Behalf Of Clemm, Geoff
  Sent: Thursday, September 26, 2002 8:27 PM
  To: WebDAV (E-mail); ietf-dav-versioning@w3.org
  Subject: Required properties with no value [WAS: workspace property on res
ources that aren't in workspaces]

  This is a good question, and it applies to any "required" property that
  sometimes has "no value" (e.g. DAV:checked-in and DAV:checked-out).

  So this question probably should be answered in 2518bis (I'll forward
  this message to the WebDAV list), but we certainly could take a stab
  at it in the DeltaV context first.

  Like Julian, I'd probably be inclined to "b", but don't feel strongly
  either way.  Anyone prefer "a", prefer to decide separately for each
  property, or prefer that we leave it up to the server?


     From: Julian Reschke [mailto:julian.reschke@greenbytes.de]

     section 6.2.1 [of rfc 3253] says:

     "The DAV:workspace property of a workspace resource MUST identify
     itself.  The DAV:workspace property of any other type of resource
     MUST be the same as the DAV:workspace of its parent collection."

     It seems to be undefined however what the value is if a resource
     *have* a (DAV-compliant) parent collection, for instance the root of my

     So what should it be?

     a) not present
     b) empty (no href)

     Julian (leaning to b)
Received on Thursday, 26 September 2002 16:45:55 UTC

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