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Re: hebrew-step - logical to broken visual
No need to argue about any of this since anyone can go look up the
document and see what it says. More to the point..
On Tue, 11 Jan 2000, guy keren wrote:
>
> On Mon, 10 Jan 2000, Stanislav Malyshev a.k.a Frodo wrote:
>
> > gk>> it is possible to get readable results even if there exists no
> > gk>> logical-to-visual translation algorithm, by using various heouritics.
Actually there does not exist a logical-to-visual conversion algorithm.
Guy's text above can be loosely describe the unicode BiDi algorithm, it
can also loosely describe a host of other algorithms.
> >
> > Why there isn't? There exists prettygood official Unicode BiDi rendering
> > algorithm.
>
> is it:
>
> - because the unicode standard does not handle BIDI inside HTML, as
> far as i know?
yes and no.
>From section 3.11 "Bidirectional Behavior" "In general, the
Unicode Standard does not supply formatting codes; formatting is left up
to higher level procols", however, for bidi it defines explicit override
codes, and there are HTML attributes that can function as override codes.
HTML standards should deal with implementing the BiDi unicode algorithm in
HTML.
>
> - because the unicode algorithm does not handle the case when you do _not_
> know the screen width in advance, in order to break long lines into
> shorter ones?
My reading of said document is that thsi algorithm does not deal with
breaking lines. In fact, when outlining the algorithm, prior to going into
details, it refers to resolving the text on a line-by-line basis. So this
would be correct.
Uri
>
> btw, please don't start an argument about this. if you can think of a
> proper way to handle this, just let me know (or implement it yourself and
> compete ;) ).
>
> guy
>
> "For world domination - press 1,
> or dial 0, and please hold, for the creator." -- nob o. dy
>
>
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