Re: Unicode library that provides versioned Unicode API?

From: Markus Scherer (
Date: Wed Mar 12 2003 - 14:04:31 EST

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    ICU4C 2.6 (June/July) will support Unicode 4 but also provide an option for Unicode 3.2
    normalization (with NormalizationCorrections.txt applied though).

    We do not have any plans so far to do this for anything but normalization, but we have APIs for the
    DerivedAge property which tells you which code points were designated/assigned in which Unicode
    version. You could use a UnicodeSet patter of [:Age=3.2:] for example to get a set of all code
    points with a DerivedAge value of 3.2 or lower.


    Simon Josefsson wrote:
    > Does anyone know of a unicode library that provides a versioned API?
    > With "versioned API" I mean a method for the application to request
    > that, e.g., unicode normalization is performed according to the rules
    > specified in a specific Unicode version instead of simply the latest
    > unicode version that the library implements.

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