Re: [Geopriv] draft-ietf-geopriv-uncertainty

Julian Reschke <julian.reschke@gmx.de> Wed, 22 October 2014 15:35 UTC

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Date: Wed, 22 Oct 2014 17:35:14 +0200
From: Julian Reschke <julian.reschke@gmx.de>
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To: Ray Bellis <Ray.Bellis@nominet.org.uk>
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Archived-At: http://mailarchive.ietf.org/arch/msg/geopriv/VmKQ1D8v8kLaJFFAcj0uiF7uQqY
Cc: GEOPRIV <geopriv@ietf.org>, "draft-ietf-geopriv-uncertainty@tools.ietf.org" <draft-ietf-geopriv-uncertainty@tools.ietf.org>, "drafts-expert-review-comment@iana.org" <drafts-expert-review-comment@iana.org>
Subject: Re: [Geopriv] draft-ietf-geopriv-uncertainty
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On 2014-10-22 17:00, Ray Bellis wrote:
>
>> On 22 Oct 2014, at 11:49, Julian Reschke <julian.reschke@gmx.de> wrote:
>>
>> Hi there.
>>
>> I was asked to review the XML namespace registration, and I have  minor editorial comments.
>>
>> <http://tools.ietf.org/html/draft-ietf-geopriv-uncertainty-03#section-8.1> defines the XML namespace
>>
>>   "urn:ietf:params:xml:ns:geopriv:conf"
>>
>> But that namespace name only occurs once more in the document (in the XML schema).
>>
>> It *ought* to appear in <http://tools.ietf.org/html/draft-ietf-geopriv-uncertainty-03#section-4.1> (where the confidence element is described); alternatively, that section could refer to the schema.
>>
>> Note that <http://tools.ietf.org/html/draft-ietf-geopriv-uncertainty-03#section-6.4> has the following example:
>>
>>>      <pidf:presence
>>>          xmlns:pidf="urn:ietf:params:xml:ns:pidf"
>>>          xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model"
>>>          xmlns:gp="urn:ietf:params:xml:ns:pidf:geopriv10"
>>>          xmlns:gs="http://www.opengis.net/pidflo/1.0"
>>>          xmlns:gml="http://www.opengis.net/gml"
>>>          xmlns:con="urn:ietf:params:xml:ns:pidf:geopriv:conf"
>>>          entity="pres:alice@example.com">
>>>        <dm:device id="sg89ab">
>>>          <pidf:status>
>>>            <gp:geopriv>
>>>              <gp:location-info>
>>>                <gs:Circle srsName="urn:ogc:def:crs:EPSG::4326">
>>>                  <gml:pos>42.5463 -73.2512</gml:pos>
>>>                  <gs:radius uom="urn:ogc:def:uom:EPSG::9001">
>>>                    850.24
>>>                  </gs:radius>
>>>                </gs:Circle>
>>>    <!-- c -->  <con:confidence pdf="normal">67</con:confidence>
>>>              </gp:location-info>
>>>              <gp:usage-rules/>
>>>            </gp:geopriv>
>>>          </pidf:status>
>>>          <dm:deviceID>mac:010203040506</dm:deviceID>
>>>        </dm:device>
>>>      </pidf:presence>
>>
>> That example isn't XMLNS-wellformed, as the "con" namespace is undefined (and yes, that's why I couldn't find it when looking for uses of the newly defined namespace).
>
>
> Julian,
>
> I’m not an XMLNS guru, but isn’t the line at the top reading xmlns:con=“urn:ietf:params:xml:ns:pidf:geopriv:conf” creating “con” as an alias for that namespace?
> ...

Good catch (so yes, it's XMLNS-wellformed after all), but that one maps 
"con" to

   urn:ietf:params:xml:ns:pidf:geopriv:conf

while the namespace being registered is:

    urn:ietf:params:xml:ns:geopriv:conf

So maybe it's just a typo in the namespace registration?

Best regards, Julian

[Geopriv] draft-ietf-geopriv-uncertainty Julian Reschke
Re: [Geopriv] draft-ietf-geopriv-uncertainty Ray Bellis
Re: [Geopriv] draft-ietf-geopriv-uncertainty Ray Bellis
Re: [Geopriv] draft-ietf-geopriv-uncertainty Julian Reschke
Re: [Geopriv] draft-ietf-geopriv-uncertainty Martin Thomson