ICU *is* always able to compare them as being equal, just by setting the parameter.
Even if the parameter isn't set, it uses an FCD sort (see http://unicode.org/notes/tn5/) and canonical closure, which handles most cases of canonical equivalence. The default is turned on for languages where the normal+auxiliary exemplar sets contains characters that would show a difference even with an FCD+closure sort, and can be turned on always if desired (at some cost in performance; 30% sounds high though). Mark <https://plus.google.com/114199149796022210033> * * *— Il meglio è l’inimico del bene —* ** On Thu, Aug 30, 2012 at 6:30 PM, Norbert Lindenberg < ecmascr...@norbertlindenberg.com> wrote: > In particular, a conformant implementation must be able to compare any two > canonical-equivalent strings as being equal, for all Unicode characters > supported by that implementation."
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