On Jun 26, 2008, at 13:59, Tom Lane wrote:

"David E. Wheeler" <[EMAIL PROTECTED]> writes:
So, are your certain about this?

See Turkish --- in that locale i and I are not an upper/lower pair,
instead they pair with some non-ASCII letters.  There are likely
other cases but that's the counterexample I remember.

Perfect, thank you. I was able to add a failing test and make it pass by removing the string length optimization.

For future reference of anyone reading the list, this page has a great description of the problem:

  http://www.i18nguy.com/unicode/turkish-i18n.html

Best,

David

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