Re: Defined Private Use was: SSP default ignorable characters

From: Peter Kirk (
Date: Thu Apr 29 2004 - 11:57:20 EDT

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    On 29/04/2004 08:34, Doug Ewell wrote:

    > ...
    >Peter, how do you propose to solve the problem of getting software to
    >understand custom PUA properties, and what is Unicode doing or not doing
    >that hinders this? Other than not defining new PUAs with different
    >defaults, I mean.
    Nothing other than that, but precisely that. Or perhaps redefining the
    default properties of parts of the existing PUA. That is by far the
    simplest solution for everyone. It means that most software will
    automatically provide the required support as soon as the new properties
    tables are uploaded into it. It is something that the UTC can decide on
    tomorrow, or at their next meeting. While they should choose a part of
    the PUA which, as far as anyone can tell, no one is yet using, there can
    be no argument that this destabilises existing data, because there is an
    explicit statement that PUA behaviour is not guaranteed.

    All that is needed, as Mark has pointed out, is a specific proposal.
    Ernest is working on one.

    Peter Kirk (personal) (work)

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