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Re: question on issue-110 (xml:lang vs. lang)

From: Arle Lommel <arle.lommel@dfki.de>
Date: Mon, 28 Jan 2013 22:32:59 +0100
Message-Id: <F2265087-8996-4AF1-91E4-5CB68B9B6988@dfki.de>
Cc: "<public-multilingualweb-lt@w3.org>" <public-multilingualweb-lt@w3.org>
To: Yves Savourel <ysavourel@enlaso.com>
Anything else would be tremendously unintuitive for most users and would create strange problems. So +1 to Yves and Shaun. 

Arle

--
Arle Lommel
Berlin, Germany
Skype: arle_lommel
Phone (US): +1 707 709 8650

Sent from a mobile device. Please excuse any typos.

On Jan 28, 2013, at 21:21, Yves Savourel <ysavourel@enlaso.com> wrote:

> +1 on Shaun's comments.
> (especially "...xml:lang to take precedence over lang only when defined on the same node")
> 
> -ys
> 
> 
> -----Original Message-----
> From: Shaun McCance [mailto:shaunm@gnome.org] 
> Sent: Monday, January 28, 2013 12:28 PM
> To: Felix Sasaki
> Cc: Jirka Kosek; public-multilingualweb-lt@w3.org
> Subject: Re: question on issue-110 (xml:lang vs. lang)
> 
> On Fri, 2013-01-25 at 12:17 +0100, Felix Sasaki wrote:
>> Am 25.01.13 11:19, schrieb Jirka Kosek:
>>> On 25.1.2013 9:01, Felix Sasaki wrote:
>>> 
>>>> we had discussed on Wednesday
>>>> http://www.w3.org/2013/01/23-mlw-lt-irc#T11-36-22
>>>> that xml:lang and lang take precedence over the BCP 47 value 
>>>> conveyed by a "langRule". One clarification question: should we 
>>>> state that this relation also includes inherited values? e.g.
>>>> 
>>>> <html xml:lang="en" ...>...
>>>> <its:langRule selector="//h:p" langPointer="@class"> ...
>>>> <body lang="ja"> ...
>>>> <p class="de">...
>>>> </html>
>>>> 
>>>> In this case the output of processing "langRule" would convey "en":
>>>> xml:lang takes precedence over HTML lang. And xml:lang inherits to "p".
>>> My instinct says that inheritence shouldn't be applied here and for 
>>> p element language should be selected using langRule.
>> Fine by me - so the output in the test suite would be
>> 
>> /html    lang="en"
>> ...
>> /html/body[1]    lang="ja"
>> /html/body[1]/p[1]    lang="de"
>> 
>> Now, if "p" contains a "span" element, what would the language be? 
>> Probably
>> 
>> /html/body[1]/p[1]/span[1]    lang="de"
> 
> I would say certainly lang="de". I would also expect xml:lang to take precedence over lang only when defined on the same node, so I would expect the language to be "ja" on body.
> 
> getLang(node):
>  if node/@xml:lang: return node/@xml:lang
>  if node/@lang: return node/@lang
>  if node selected by a langRule: return value from rule
>  if node.parent: return getLang(node.parent)
>  else: return ""
> 
> Seems to me that's the same algorithm we use for all other data categories, except we don't define our own local attribute, using xml:lang and lang instead.
> 
> --
> Shaun
> 
> 
> 
> 
> 
Received on Monday, 28 January 2013 21:33:31 UTC

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