From: Ruszlan Gaszanov (email@example.com)
Date: Fri Nov 07 2008 - 06:19:24 CST
I grew up in Hungary and I've never seen any contemporary use of rovásírás. The scholars, as far as I know, prefer LTR directionality. But than again, my information is only based on my personal experience which might be limited and somewhat outdated.
In any case, as I mentioned earlier, the problem of glyph mirroring when inversing default text direction does not only concern rovásírás and Old Italic, but a number Phoenician-derived scripts (with both LTR and RTL default directionality), so I think the bi-di algorithm needs to be seriously revised to accommodate for this.
From: André Szabolcs Szelp [mailto:firstname.lastname@example.org]
Sent: Friday, November 07, 2008 9:40 AM
To: Ruszlan Gaszanov
Cc: unicode Unicode Discussion
Subject: Re: Question about the directionality of "Old Hungarian" (document N3531)
No, it's written RTL 99% of the time, maybe 1% LTR. Sorry, your
information is flawed.
In that it differs from Old Italic. Also, Old Italic (and Hieroglyphs)
are actually dead scripts used by scholars only. Old Hungarian is used
2008/11/5 Ruszlan Gaszanov <email@example.com>:
>> L4. A character is depicted by a mirrored glyph if and only if
>> (a) the resolved directionality of that character is R, and
>> (b) the Bidi_Mirrored property value of that character is true.
>> The Bidi_Mirrored property is defined by Section 4.7, Bidi
>> Mirrored-Normative of [Unicode]; the property values are specified in
>> This rule can be overridden in certain cases; see HL6.
> From this point of view, would not it be more practical (for
> implementation's sake) to have the default directionality for Rovas set to L
> and override it with RTL overrides when desired? Especially considering that
> it is written LTR practically as often as RTL? At least, this way,
> implementations already developed for Old Italic and Egyptian Hieroglyphics
> could be simply extended to Rovas.
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