Re: [Slim] Adam Roach's No Objection on draft-ietf-slim-multilangcontent-13: (with COMMENT)

[Alexey Melnikov <[e-mail]>]

Hi Adam,

On Thu, Aug 17, 2017, at 12:50 AM, Adam Roach wrote:
> Adam Roach has entered the following ballot position for
> draft-ietf-slim-multilangcontent-13: No Objection

> I note that this mechanism uses only language tags and implicitly leaves
> aside
> any discussion of script or region tags.

Actually this is not true. Language Tags as specified in RFC 5646 can
optionally include all of these things.

> I'm going to assume this was a
> intentional decision that was considered by the group with the end result
> being
> that there was no perceived need to distinguish between (e.g.) Latin and
> Jawi
> scripts for Malay, or (e.g.) Brazilian and Portuguese variations of 'pt'.
> (If
> this was not an explicit decision made by the WG, I would ask that it be
> posed
> to the WG for an explicit decision -- the current mechanism seems
> somewhat
> deficient in this regard from my admittedly brief analysis of the
> situation.)
> 
> I'm a little worried that an imprecise reading by implementors of the
> citation
> to RFC5646 may lead them to believe that script and region tags may be
> included
> in the Content-Language header fields. 

They are absolutely allowed.

> If the assumptions I discuss above
> are
> true, please add text making it clear that script and region tags are
> forbidden.

Best Regards,
Alexey