Re: [Ltru] Re: matching comments: use of prefixes

Hi -

> From: "Addison Phillips" <addison.phillips@quest.com>
> To: "Randy Presuhn" <randy_presuhn@mindspring.com>; <ltru@ietf.org>
> Sent: Thursday, September 29, 2005 3:44 PM
> Subject: RE: [Ltru] Re: matching comments: use of prefixes
...
> --
> Users should note that the set of language tags that match a specific
> language-range MAY NOT be mutually intelligible, although historically
> this form of matching has proven useful.
> --

This is clearly NOT an RFC 2119 "MAY NOT".  Please replace with "may not"
or "might not".

...
> <t>Users SHOULD avoid subtags that add no distinguishing value to a language range.
>  For example, script subtags SHOULD NOT be used to form a language range with
...

This SHOULD and SHOULD NOT are borderline.  I think they're ok (since
they're about operational considerations), but it would not surprise me if
others, pickier that I (you know who you are) object.  I suggest:

   Users are advised to avoid subtags that...
   For example,  no distinguishing value is normally added by including a
   subtag matching a language tag's Suppress-Script field from its
   registry record.  Thus...

Now, if we were talking about what decisions implementations should make,
there's a stronger case for SHOULD.

Randy

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