Hello John,
On 2022-06-25 00:15, John C Klensin wrote:
--On Friday, June 24, 2022 06:20 -0400 Ira McDonald
<blueroofmusic@xxxxxxxxx> wrote:
...
CORE - please delete *all* of your CDDL details for language
tags and just use one of the several excellent libraries that
correctly parse language tags, when needed.
...
Two problems with that. The general one is that IETF standards
track specs rarely (I wish I could say "never") say "go use that
library" if only because libraries change and are hence not
stable references. If this were intended to be an Informational
document, then maybe. But, as a Proposed Standard, I don't
think that flies.
I don't think Ira meant that standards should reference libraries. I
think what he had in mind was the following diagram:
Tag 38 spec --------------------> BCP 47 (language tag spec)
| references |
| |
| implemented by | implemented by
| |
V V
Tag 38 library/function ------------> language tag library
uses
Regards, Martin.
The one more specific to this spec is that,
because there is no standard way to specify directionality in a
language tag itself, either that functionality gets lost (and
must hence still be included in those CDDL details) or we need
to extend BCP 47 to include a language tag specification
mechanism. The CORE effort explicitly decided to not use/depend
on such a change and no one (yet) has challenged that decision.
There are also substantive arguments why such an addition would
not be a good idea.
john
If those libraries actually
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