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RE: Re: emacs + unicode + hebrew + bidi


From: Bourgneuf Francois
Subject: RE: Re: emacs + unicode + hebrew + bidi
Date: Tue, 4 Nov 2008 14:06:09 +0100

Just a precision, in arabic and hebrew both text and numbers are written right to left.
In western languages text is written left to right and numbers right to left.
You can't tell the value of the left digit of a number if you havent read how many digit are at his right.
We solve additions from the right to the left.
 
Bour9
 


De : address@hidden [mailto:address@hidden De la part de address@hidden
Envoyé : mardi 4 novembre 2008 12:45
À : address@hidden
Objet : Re: Re: emacs + unicode + hebrew + bidi

Thank you, but unforunatly, it is not a solution -
Hebrew is not simple right to left
its a BI-Directional. Then text is written from rtl the number ltr, what
about the punctuation signs, spaces and etc..
the bi-di code is very complex

On Nov 4, 2008 5:05am, "B. T. Raven" <address@hidden> wrote:
> B. T. Raven wrote:
>
>
> B. T. Raven wrote:
>
>
> Pavel wrote:
>
>
> Hi everybody, i would like to know if the combination i mentioned in the
>
> subject is possible.
>
> I would like to write Hebrew latex documents in emacs, but unfortunately the
>
> Hebrew is reversed.
>
> Thanx
>
>
>
>
>
>
> As a kludge you could type everything left to right and then apply this function to the whole buffer:
>
>
>
> (defun reverse-bstring (str)
>
>  (apply #'string (nreverse (string-to-list (buffer-string))))
>
>
>
> There is something perverse about it since it doesn't seem to need to be passed a string but, anyway, evaluating it in *Scratch* produces this:
>
>
>
> "
>
> ))))gnirts-reffub( tsil-ot-gnirts( esrevern( gnirts'# ylppa(
>
> )rts( gnirtsb-esrever nufed(
>
>
>
> ..reffub nwo s'elif taht ni txet eht retne neht ;;
>
> ,f-C x-C htiw elif taht tisiv ,elif a etaerc ot tnaw uoy fI ;;
>
> ..noitaulave psiL rof dna ,evas ot tnaw t'nod uoy seton rof si reffub sihT ;;"
>
>
>
> Ed
>
>
>
>
> Of course you want to do this line by line, not to the whole buffer, since in Hebrew and Arabic you start at the back of the book but not at the bottom of the page. O well, back to the drawing board.
>
>
>
>
> You could then demarcate the above text as a region and then run M-x reverse-region on it. It's still a kludge but it might work on multi-byte buffers.
>

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