Re: [Slim] IETF last call for draft-ietf-slim-negotiating-human-language (Section 5.4)

[Randy Presuhn <[e-mail]>]

Hi -

On 2/14/2017 9:40 AM, Randall Gellens wrote:
> At 11:01 AM +0100 2/14/17, Gunnar Hellström wrote:
>
>>  My proposal for a reworded section 5.4 is:
>>
>>  5.4.  Unusual language indications
>>
>>  It is possible to specify an unusual indication where the language
>>  specified may look unexpected for the media type.
>>
>>  For such cases the following guidance SHALL be applied for the
>> humintlang attributes used in these situations.
>>
>>  1.    A view of a speaking person in the video stream SHALL, when it
>> has relevance for speech perception, be indicated by a Language-Tag
>> for spoken/written language with the "Zxxx" script subtag to indicate
>> that the contents is not written.
>>
>>  2.    Text captions included in the video stream SHALL be indicated
>> by a Language-Tag for spoken/written language.
>>
>>  3.    Any approximate representation of sign language or
>> fingerspelling in the text media stream SHALL be indicated by a
>> Language-Tag for a sign language in text media.
>>
>>  4.    When sign language related audio from a person using sign
>> language is of importance for language communication, this SHALL be
>> indicated by a Language-Tag for a sign language in audio media.
>
> [RG] As I said, I think we should avoid specifying this until we have
> deployment experience.
...

 From a process perspective, it's far easier to remove constraints
as a specification advances than it is to add them.

Randy