Re: Question about the directionality of "Old Hungarian" (document N3531)

From: André Szabolcs Szelp (a.sz.szelp@gmail.com)
Date: Mon Nov 03 2008 - 04:22:29 CST

  • Next message: philip chastney: "Re: Question about the directionality of "Old Hungarian" (document N3531)"

    Kent,

    Sorry, there is a misunderstanding.

    I was starting my letter with "Not considering bustrophaedon", which means
    not considering it!

    I was speaking of the default behaviour of the script to be able to be
    written EITHER rtl OR ltr, (and NOT bustrophaedon).

    So the question is, again, DISREGARDING bustrophaedon (which I still believe
    is actually a non-issue, as I put it in a longish mail in reply to Gábor
    Hosszú),

    For LTR override: wouldn't Bidi_Mirroring bring exactly the expected
    behaviour?

    Szabolcs

    2008/11/2 Kent Karlsson <kent.karlsson14@comhem.se>

    > Szabolcs Szelp wrote:
    > > Not considering bustrophaedon,
    > > even in the described standard behaviour of OH of having the
    > > characters mirrored when overriden LTR, I believe it is problematic
    > > that one has to replace the punctuation characters.
    > >
    > > Usually one would think of the LTR and RTL in OH as the same text with
    > > the same information, ie. the same string of characteres, only
    > > displayed differently (i.e. other text-flow direction, and mirrored).
    > > So why do we have to use other characters?
    >
    > Bidi (in the Unicode sense) and bustrophedon (while in a quite different
    > way "bidirectional") are unrelated and should not be conflated in any way.
    >
    > > The passage in the current proposal authored by Michael and me
    > > contains the passage above cited by Karl, it was included on grounds
    > > of verbal communication of Michael about the preference "by the
    > > committee".
    > >
    > >
    > > However, I do believe that it should be open for discussion.
    > >
    > > Karl suggested (privately) having the punctuation included in the OH
    > > block, alongside with the Bidi_Mirrored=Yes property.
    >
    > Naa. Bidi_Mirrored is for handling Arabic, Hebrew and similar scripts.
    > It's NOT for handling bustrophedon, which mirrors *all* glyphs (once)
    > on every second line. Bidi override controls never mirror characters
    > which have Bidi_Mirrored=FALSE. Also the bidi overrides do not go well
    > together with bustrophedon and automatic line breaking. Bustrophedon
    > is simply a quite different beast from Arabic/Hebrew/etc. Bustrophedon
    > should simply graphically mirror the entier line, every second line.
    >
    > /kent k
    >
    >
    >

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