From: Chris Jacobs (firstname.lastname@example.org)
Date: Tue Aug 17 2004 - 21:44:09 CDT
----- Original Message -----
From: "Nitin Kapoor" <email@example.com>
Sent: Wednesday, August 18, 2004 3:38 AM
Subject: Arabic Implementation
> Hello Friends,
> I am implementing ARABIC in one of our embedded projects .I have read the
> Unicode standard well and would like to ask a question about joining types.
> After a character changes the display form into one mentioned in Arabic
> Presentation Form B does it still belong to a joining type.
> For example: Lets say Unicode Character : 0x0622 which is a right joining
> type , when this changes the display form into ISOLATED FORM its Unicode
> becomes : 0xfe81.
NO. When 0x0622 changes its display form into ISOLATED FORM because of context it still stays 0x0622.
Only the glyph changes, not the underlying char.
> So does 0xfe81 also belong to Right Joining type?
If it is really a 0xfe81 char, encoded as such, then no.
> I am asking this question
> because according to Derived Joining Type .txt provided by UNICODE, it
> doesnˇ¦t have any category for characters once they change their display
> I personally feel that a particular character belonging to a particular
> joining type will have all its different display forms also belonging to the
> particular joining type .
Which is indeed what happpens if you avoid using the presentation form code points, as you should.
> Please advice me if I am on the right track.
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