Re: [Slim] Moving forward on draft-ietf-slim-negotiating-human-language

Bernard Aboba <bernard.aboba@gmail.com> Sun, 19 November 2017 17:27 UTC

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From: Bernard Aboba <bernard.aboba@gmail.com>
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Subject: Re: [Slim] Moving forward on draft-ietf-slim-negotiating-human-language
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On Nov 19, 2017, at 2:40 AM, Gunnar Hellström <gunnar.hellstrom@omnitor.se> wrote:

>> <GH>Yes, it is a SHOULD. But all registered sign languages so
>>     far follow this rule, so I think it is solid. Do you think we need
>>     to weaken the start of our recommended procedure: 

[BA] As you say, it does appear that the rule is being followed. But perhaps we can find an expert to confirm this.

> <GH>Among the three obvious cases are also that sign languages in video media are signed.

[BA] Yes.

> <GH> The application must not create illogical combinations. But let us drop the "Content" attribute hint. I find the use of the script subtag much more solid for the otherwise ambiguous cases. RFC 5646 clearly says that it is allowed to use even suppressed script subtags when its use has an important discriminating meaning. (Section 4.1 of RFC 5646 says:
>        "The script subtag SHOULD NOT be used to form language tags unless
>        the script adds some distinguishing information to the tag."
> That is true for our case. 
> Can we explain our case better and get a go ahead from the language experts? That would result in a really simple set of rules. 

[BA] It seems like an important point to clarify.  Let me try to figure out how we can get expert consultation.