Re: Re: Arabic support

[Amit Aronovitch <aronovitch@gmail.com>]

[-- Attachment #1.1: Type: text/plain, Size: 1990 bytes --]

On Mon, Aug 30, 2010 at 5:07 AM, Kenichi Handa <handa@m17n.org> wrote:

> In article <AANLkTinFrEnuW=oPeBqg6=wYegbrR+Lani2WcmDYstVO@mail.gmail.com<wYegbrR%2BLani2WcmDYstVO@mail.gmail.com>>,
> Amit Aronovitch <aronovitch@gmail.com> writes:
>
> > 1) I confirm that Arabic shaping seems to work fine on my build (27/8/10
> > rev. 101200, on Linux+X (Debian unstable)).
>
> > 2) Logical movement with C-f/C-b in the hello file seems fine (I do not
> see
> > the trap described above).
>
> Thank yor for testing them.
>
> > 3) My Arabic is very basic, and I am not familiar with Arabic computing
> > (keyboards etc.) - I noticed the following points, but I am not sure what
> i=
> > s
> > the expected behavior (I can only compare to other programs - gedit in
> this
> > case):
>
> >   a) Column numbers (column-number-mode) behave strangely (I suspect that
> > m17n-lib's invisible markup consume column numbers). For example as you
> mov=
> > e
> > using C-f in the word "=D9=87=D8=B0=D8=A7" column numbers go through
> "0,1,4=
> > ,5" (i.e. the
> > second character takes up 3 columns). If I change that to
> "=D8=A8=D9=87=D8=
> > =B0=D8=A7", the column
> > positions are "0,1,4,6,7" (the second and third chars take up 3 and 2
> > columns resp.?).
> >   In gedit column positions are 1 character per column and do not depend
> on
> > the shaping.
>
> I've just committed a fix for this bug.  It's not related to
> m17n-lib.
>
>
Thanks. Much better now :-)

I also checked the diacritics (tashkil): It seems that they do not take up
column number in Emacs.

In gedit, cursor movement is similar, but the vowels there do take up column
number (as for cursor movement, as in emacs: forwards/backwards skips them,
while 'delete' handles them separately). I find this behavior more
consistent with the way both programs handle the lam-alef ligature (one
cursor-movement space, but two column numbers).
However, as I said, I do not know which behavior is the most natural for
Arabic users.

   AA

[-- Attachment #1.2: Type: text/html, Size: 2721 bytes --]

[-- Attachment #2: Type: text/plain, Size: 140 bytes --]

_______________________________________________
emacs-bidi mailing list
emacs-bidi@gnu.org
http://lists.gnu.org/mailman/listinfo/emacs-bidi