Re: Comments on draft-dusseault-caldav-15 and draft-newman-i18n-comparator-14

On Sep 23, 2006, at 2:20 AM, Julian Reschke wrote:

>
> But as a matter of fact, draft-newman-i18n-comparator-14 doesn't  
> define any collations that would actually solve the Unicode NF  
> issue, so it's not really clear how this helps CalDAV (except that  
> it now uses a framework in which the solution may become available  
> in the future).
>
> Maybe the set of initial registrations in <http://tools.ietf.org/ 
> html/draft-newman-i18n-comparator-14#section-9> needs to be extended?

Yes, I agree. That's one of the next steps and why a registry was  
created (so we could do it outside the base comparator draft).

Last week Ted & I were discussing whether one could define a Very  
Liberal Comparator (VLC) for general use.  It would be handy to have  
one which matched e with E, é, è É... and matched o with O, ø, ô, and  
so on.  That would help in calendar searching use cases, e.g. a user  
who can't type in accents (or doesn't know how) wants to find the  
invitation from André by searching for "andre".  It would probably be  
useful in many other cross-language or unknown-language situations too.

Such a comparator would be most useful for exact and substring  
matches; I don't know offhand how it would best do ordering so it  
might not be as useful for ordering.

I believe Arnt intends to continue working on this general problem,  
for which I'm very grateful, and other contributions would be most  
welcome.

Lisa 

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