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Re: Issue 177: XML 1.1 support

From: Umit Yalcinalp <umit.yalcinalp@oracle.com>
Date: Thu, 08 Jul 2004 18:17:28 -0700
Message-ID: <40EDF228.6070105@oracle.com>
To: Anish Karmarkar <Anish.Karmarkar@oracle.com>
Cc: paul.downey@bt.com, jmarsh@microsoft.com, www-ws-desc@w3.org



Anish Karmarkar wrote:

> Paul,
>
> I don't think it is a problem. But IMHO the value of it is limited 
> from a tooling perspective given that most tools (or the ones I'm 
> familiar with) are very schema centric and the fact that the message 
> reference component is still schema based. I guess the issue is what 
> is the best way to migrate to newer versions of XML. Given the 
> tools/language-bindings dependency on schema, it seems to me that the 
> easier path would be to wait for schema to rev their specs for XML 1.1 
> and WSDL to follow.
>
> If you are asking if it would cause any harm -- I don't think it would.

It would have caused harm if it was a required aspect of the conformance 
for WSDL processors, but luckily as clarified by Jonathan, this is not 
to be the case.

>
> -Anish 

--umit

>
> -- 
>
> paul.downey@bt.com wrote:
>
>> Hi Anish!
>>
>> I'm puzzled why Jonathan's proposal is an problem from the
>> "tooling perspective".
>> Surely all that is being required of a component model implementation 
>> is that it's able to support a superset of XML 1.0 and 1.1 character 
>> set. This remains a subset of the character representation used 
>> internally in most programming environments.
>>
>> So the value is that a WSDL 2.0 component model can theoretically
>> process XML 1.1 document without requiring a spec-rev all for little 
>> practical cost.
>>
>> AIUI the risk is that a component model may now legitimately contain 
>> element names containing characters which cannot be serialised to an 
>> XML 1.0 document - but that's nothing new
>> given XML 1.1 document aren't compatible with XML 1.0 processors.
>>
>> Paul
>>
>>
>> -----Original Message-----
>> From: www-ws-desc-request@w3.org [mailto:www-ws-desc-request@w3.org]On
>> Behalf Of Anish Karmarkar
>> Sent: 08 July 2004 09:18
>> To: Umit Yalcinalp
>> Cc: Jonathan Marsh; www-ws-desc@w3.org
>> Subject: Re: Issue 177: XML 1.1 support
>>
>>
>>
>> The proposal seems to future proof WSDL for possible new versions of 
>> XML, which is a good thing, but it applies only to XML 1.1 and not 
>> beyond.
>> In addition, till XML schema supports XML 1.1, the message reference 
>> component can only describe XML 1.0 messages. Is that correct?
>>
>> If that is so, then it seems to me that creating new types to support 
>> XML 1.1 will be of limited value, especially from tooling perspective.
>>
>> Is there any reason not to rev WSDL when XML schema supports 1.1?
>> Has the WG considered a resolution similar to the resolution of issue 
>> 20rec [1] in XMLP WG?
>>
>> -Anish
>> -- 
>>
>> [1] http://www.w3.org/2000/xp/Group/xmlp-rec-issues.html#x20
>>
>
>

-- 
Umit Yalcinalp                                  
Consulting Member of Technical Staff
ORACLE
Phone: +1 650 607 6154                          
Email: umit.yalcinalp@oracle.com
Received on Thursday, 8 July 2004 21:18:09 GMT

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