RE: [Ltru] Eliminating the preposterous ASCII ordering in lookup

It is merely an example of what one could do. It isn't obligatory. So it isn't that bad, I guess. We don't have text that requires a mapping to basic ranges at the moment and don't necessarily need to introduce it.

On the other hand, I don't think I'd implement an algorithm that way and most underlying locale-like fallback systems will do as I suggested.

Addison

Addison Phillips
Internationalization Architect - Yahoo! Inc.

Internationalization is an architecture.
It is not a feature. 

> -----Original Message-----
> From: Mark Davis [mailto:mark.davis@icu-project.org]
> Sent: 2006年2月22日 14:54
> To: John Cowan
> Cc: ltru@ietf.org
> Subject: Re: [Ltru] Eliminating the preposterous ASCII ordering in lookup
> 
> I'm guessing, but only a guess, that this is related to the following text:
> 
> > For example, an implementation could return the matching content that
> > is first in ASCII-order. For example, if the language range were
> > "*-CH" and the set of content included "de-CH", "fr-CH", and "it-CH",
> > then the content labeled "de-CH" would be returned.
> "preposterous" is a overblown language. And I strongly disagree with
> your proposed change. In the example there clearly *exists* content
> matching *-CH. So returning the default content (which could be, say,
> Japanese) is clearly *not* what I would have expected!
> 
> There could, of course, be other strategies for picking a single tag to
> return from lookup when there are multiple matches for a wildcard. But
> whatever example we choose should not return something so clearly
> disconnected from the user's desired outcome. And ASCII is simple to
> explain.
> 
> Mark
> 
> John Cowan wrote:
> > It's really laughable to suggest that implementations might use ASCII
> > tag ordering to make fallback decisions on lookup.  IMHO, the behavior
> > of extended ranges on lookup should be:
> >
> > 	If the first subtag of a language range is '*' and it is
> > 	followed by other ranges in a priority list, skip it.
> > 	If the first subtag is '*' and there are no following
> > 	ranges, return the default content.  All other '*' subtags
> > 	should be removed before lookup processing is done.
> >
> > That is simple, clear, to the point, straightforward, and doesn't
> provide
> > preposterous results.
> >
> >
> 
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