Panther PUA behavior (was RE: Cuneiform - Dynamic vs. Static)

From: David J. Perry (
Date: Tue Jan 13 2004 - 19:14:41 EST

  • Next message: Dean Snyder: "Re: Cuneiform - Dynamic vs. Static"


    Could you please clarify what this means in practice? If I have a
    document that uses PUA codepoints, and I have a font that I have been
    using to display them, what will happen when I install the Panther
    upgrade I just received? Based on what Dean Snyder wrote, it sounds
    like my document may not display correctly any longer.

    Thanks - David

    > FYI, Panther was changed to not do font substitution in the user part
    > of the PUA (it still does it in the corporate part). This was because
    > different fonts can use the same PUA code point for different things
    > (and do; this was not a hypothetical problem but one we have seen in
    > practice). The idea going forward is that use of PUA code
    > points needs
    > to be accompanied by an explicit font specification. Picking
    > the first
    > font you find for a PUA code point does not seem like the right
    > approach to us.

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