From: Mark Davis (mark.davis@jtcsv.com)
Date: Wed Jul 23 2003 - 16:32:21 EDT
I want to remind people that CGJ is *not* a control character. Look at
the properties; there is a listing in:
http://oss.software.ibm.com/cgi-bin/icu/ub/utf-8/?ch=034F#here
It is an non-spacing mark *already*. There should be no impediment at
all to using it in a sequence of other nonspacing marks in a font. If
the font is smart enough to be able to place multiple accents over
characters, then the incremental work necessary to handle CGJ
invisibly is quite small.
And it presents a possible mechanism that can be used throughout
Unicode, not just for Hebrew.
Mark
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----- Original Message -----
From: "John Hudson" <tiro@tiro.com>
To: "Rick McGowan" <rick@unicode.org>
Cc: <unicode@unicode.org>; <peter.r.kirk@ntlworld.com>
Sent: Tuesday, July 22, 2003 20:34
Subject: Re: Yerushala(y)im - or Biblical Hebrew
> At 06:00 PM 7/22/2003, Rick McGowan wrote:
>
> >A solution with CGJ has been proposed, which is very general and
can be
> >applied to this and other such situations.
>
> I get the impression that CGJ support is not very high on the list
of
> things going to be implemented any time soon by the application
developers
> that matter to us. I'm not saying this is right, only that it raises
> practical concerns about recommending this solution. Other control
> characters that have been around longer may not pose this problem,
but may
> still require updates to existing Hebrew engines. I'm currently
trying to
> figure out what works and what does not in the existing
implementations.
> We're already recommending ZWNJ to inhibit meteg +hataf vowel
ligation, but
> this has problems because the control character breaks the mark
positioning
> lookups. I've yet to determine whether this is a fault in the font
lookups,
> the shaping engine, particular apps or text services,
> or something fundamental to the architecture.
>
> John Hudson
>
> Tiro Typeworks www.tiro.com
> Vancouver, BC tiro@tiro.com
>
> The sight of James Cox from the BBC's World at One,
> interviewing Robin Oakley, CNN's man in Europe,
> surrounded by a scrum of furiously scribbling print
> journalists will stand for some time as the apogee of
> media cannibalism.
> - Emma Brockes, at the EU summit
>
>
>
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