Re: Accents of the same combining class displayed side by side (was: Re: apostrophe plus acute accent ...)

From: André Szabolcs Szelp (
Date: Fri Nov 07 2008 - 02:07:17 CST

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    That's what I thought (if there is no contrast, it's a display property).

    BTW, ő, ű are not parallels to the caron+acute stacked next to each
    other &c. we saw. Ő's and ű's diacritic relates to acute as does
    diaeresis/trema to dot above. i.e. they are functionally not
    side-by-side diacritics.


    2008/11/6 Mark Davis <>:
    > This would only be required if in that language, there would be a semantic
    > difference between the stacked and side-by-side versions. If it is just a
    > preferred rendering for that language, then that should be handled via the
    > font/rendering system.
    > Mark
    > On Thu, Nov 6, 2008 at 2:22 AM, Karl Pentzlin <>
    > wrote:
    >> Am Dienstag, 4. November 2008 um 13:59 schrieb Emanuele Saiu:
    >> ES> Apostrophe + acute accent ('´). It isn't codified in Unicode as a
    >> diacritic, is it?
    >> ES> It is similar to the double acute accent of Hungarian ő ű, but
    >> ES> the first mark should be an apostrophe (or Greek smooth breathing),
    >> not an acute.
    >> ES> Apostrophe plus acute is common in traditional phonetic
    >> ES> transcriptions used in Romance linguistics. ...
    >> At the Vienna workshop yesterday (2008-11-05), it was demonstrated
    >> that side-by-side-placing of diacritics of the same combining class
    >> (e.g. ring above + acute accent) is common in dialect transcription
    >> systems in a productive way, e.g. used in the Obščeslavjanskij
    >> lingvističeskij atlas.
    >> Therefore, a normative mechanism for doing so has to be added to
    >> Unicode. If this could not be accomplished by extending the semantics
    >> of ZWJ for doing so (then, Emanuele Sanciu's example would be encoded
    >> "latin small letter c/g" + "combining comma above" + ZWJ + "combining
    >> acute"), then the introduction of a special "combining mark joiner"
    >> could be a solution.
    >> - Larl Pentzlin

    Szelp, André Szabolcs
    +43 (650) 79 22 400

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