Re: Why people still want to encode precomposed letters

From: Doug Ewell (doug@ewellic.org)
Date: Sun Nov 23 2008 - 10:24:55 CST

  • Next message: Karl Pentzlin: "Re: Why people still want to encode precomposed letters"

    Karl Pentzlin <karl dash pentzlin at acssoft dot de> wrote:

    > DE> I think Karl may have expected that fonts could be developed in
    > such a
    > DE> way that combining diacritical marks would be spaced properly
    > above the
    > DE> base character, ...
    >
    > That is exactly true, if "properly" simply means "in a way regarding
    > the
    > formal combining classes, providing a result which can be recognized
    > by the
    > user".

    Yes.

    > DE> more or less by magic.
    >
    > Yes, if "magic" is colloquial for "done by a complex and well-designed
    > algorithm which possibly is not obvious for everybody at first
    > glance" -
    > something which computer scientists (like me) do sometimes.

    Sort of. The important point is that the algorithm would not have to be
    custom-fitted for each combination of base letter + combining mark(s).
    Some of the font experts are saying or implying that the custom-fitting
    is necessary for virtually all such combinations.

    --
    Doug Ewell  *  Thornton, Colorado, USA  *  RFC 4645  *  UTN #14
    http://www.ewellic.org
    http://www1.ietf.org/html.charters/ltru-charter.html
    http://www.alvestrand.no/mailman/listinfo/ietf-languages  ˆ
    


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