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Re: XPath Version

From: Felix Sasaki <fsasaki@w3.org>
Date: Tue, 1 May 2012 15:23:07 +0200
Message-ID: <CAL58czpNjXofEKjHfsKQZqBPW7BL7mbZqewmx+AKzmqJgCXNtw@mail.gmail.com>
To: Dave Lewis <dave.lewis@cs.tcd.ie>
Cc: public-multilingualweb-lt@w3.org
Hi Dave, all,

FYI, we had discussed this in the ITS working group a bit, see

https://www.w3.org/Bugs/Public/show_bug.cgi?id=3323
and
https://www.w3.org/2006/08/09-i18nits-minutes.html#item04

Felix

2012/4/30 Dave Lewis <dave.lewis@cs.tcd.ie>

> Thanks Shaun, that's a good point and not one we've discussed yet, but it
> will definitely be an issue when we get into the guts of the implementation
> specific for data categories. I made a note in the ITS1.0  requirement
> document (http://www.w3.org/**International/multilingualweb/**
> lt/wiki/Requirements#Support_**ITS_1.0_Data_Categories<http://www.w3.org/International/multilingualweb/lt/wiki/Requirements#Support_ITS_1.0_Data_Categories>)
>  and also raised this as an issue so we can track it.
>
> cheers,
> Dave
>
>
> On 30/04/2012 15:11, Shaun McCance wrote:
>
>> What version of XPath will be used for ITS 2.0? ITS 1.0 says "The
>> selector attribute contains an AbsoluteLocationPath as described
>> in XPath 1.0 or its successor."
>>
>> http://www.w3.org/TR/its/#**datacategory-locations<http://www.w3.org/TR/its/#datacategory-locations>
>>
>> But XPath 2.0 isn't entirely backwards compatible with XPath 1.0.
>>
>> http://www.w3.org/TR/xpath20/#**id-backwards-compatibility<http://www.w3.org/TR/xpath20/#id-backwards-compatibility>
>>
>> I suppose new standards probably ought to use the newest version.
>> But XPath 2.0 is considerably more difficult to implement, and a
>> full implementation requires an XSD implementation. 2.0 isn't as
>> widely implemented as 1.0, and requiring it could hurt adoption.
>>
>> Sorry if this has been discussed already. I didn't see anything
>> on the wiki pages.
>>
>> --
>> Shaun
>>
>>
>>
>>
>
>


-- 
Felix Sasaki
DFKI / W3C Fellow
Received on Tuesday, 1 May 2012 13:23:32 UTC

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