Re: [Silgraphite-devel] Major changes to Unicode for Arabic & Hebrew

[Sharon C. <sha...@si...>]

I'm not sure it's worth changing the old Graphite engine. (I hate the 
idea, at any rate!) But possibly Graphite2 should handle this new stuff.

At any rate, I probably ought to read it and try to get my head around 
it. Thanks for the heads up.

On 1/3/2013 10:24 PM, Bob Hallissy wrote:
> Is anyone evaluating the impact of this on the Graphite engines?
> Bob
>
> -------- Original Message --------
> Subject: 	Major changes to Unicode for Arabic & Hebrew
> Date: 	Thu, 03 Jan 2013 15:01:57 -0800
> From: 	ann...@un...
> Reply-To: 	ro...@un...
> To: 	ann...@un...
>
>
>
> UAX #9, Unicode Bidirectional Algorithm, will be updated for Unicode
> 6.3. The Unicode BIDI algorithm is used for displaying all Arabic and
> Hebrew text on the web and in application programs, so any changes
> require careful review.
>
> This proposed update involves a substantial extension of the Unicode
> Bidirectional Algorithm to allow for the implementation of isolate runs.
> It also introduces new Bidi_Class property values and formatting
> characters in support of that extension.
>
> There are also changes to Section 3.3.4 Resolving Neutral Types to
> resolve paired punctuation marks as a unit. This adds a new rule N0.
>
> See the modifications section of the proposed update for information on
> specific changes to sections in the document.
>
> The proposed update is available here:
> http://www.unicode.org/reports/tr9/tr9-28.html
>
>
> http://unicode-inc.blogspot.com/2013/01/major-changes-to-unicode-for-arabic.html
>