Re: locale-aware string comparisons

Agreed.

FYI, for those interested, here is the data file I generated with the
approaches A, B, C as discussed.

https://docs.google.com/a/google.com/spreadsheet/pub?key=0AqRLrRqNEKv-dGk0RHVoQWN6OGw1TVFNOWRaMEJfWEE&gid=0

Mark <https://plus.google.com/114199149796022210033>
*
*
*— Il meglio è l’inimico del bene —*
**

On Wed, Jan 2, 2013 at 11:07 AM, Shawn Steele <Shawn.Steele_at_microsoft.com>wrote:

> I'd try to avoid making a dependency where case mapping needs to be the
> same as case insensitive comparisons.
>
> I'd either always case fold then compare, or always compare case
> insensitive.
>
> -Shawn
>
> -----Original Message-----
> From: unicode-bounce_at_unicode.org [mailto:unicode-bounce_at_unicode.org] On
> Behalf Of James Cloos
> Sent: Tuesday, January 1, 2013 5:43 PM
> To: Mark Davis ☕
> Cc: Whistler, Ken; unicode_at_unicode.org
> Subject: Re: locale-aware string comparisons
>
> >>>>> "MD" == Mark Davis ☕ <mark_at_macchiato.com> writes:
>
> MD> All of these are different, all of them still have over 200
> MD> differences from either compare(lower(x),lower(y)) or compare(upper
> MD> (x),upper(y))
>
> What about, then:
>
> compare(lower(x),lower(y)) || compare(upper(x),upper(y))
>
> Or, to emphasize that I mentioned C only as a pseudocode, akin to SQL:
>
> LOWER(x) LIKE LOWER(y) OR UPPER(x) LIKE UPPER(y)
>
> Would that cover all of the outliers?
>
> -JimC
> --
> James Cloos <cloos_at_jhcloos.com> OpenPGP: 1024D/ED7DAEA6
>
>
>
>
Received on Wed Jan 02 2013 - 19:34:06 CST