Re: Umlaut and Tréma, was: Variation selectors and vowel marks

From: John Cowan (
Date: Tue Jul 13 2004 - 14:25:47 CDT

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    Doug Ewell scripsit:

    > CGJ + COMBINING DIAERESIS is a hack, but then again the need to draw a
    > distinction between the exact same combining mark used for two different
    > phonetic purposes is a bit of a hack too.

    However, there used to be typographical distinctions in certain German
    fonts between umlaut and diaeresis: see the examples on p. 15 of Victor
    Gaultney's paper "Problems of diacritic design for Latin script text
    faces" at
    (warning: 1.4M), particularly Figure 39.

    > The alternative proposed by DIN, creating a new COMBINING UMLAUT
    > character, would have caused *unprecedented and catastrophic*
    > equivalence and normalization problems.


    "Take two turkeys, one goose, four              John Cowan
    cabbages, but no duck, and mix them   
    together. After one taste, you'll duck
    soup the rest of your life."          

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