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Re: [Groff] Arabic support ?


From: Werner LEMBERG
Subject: Re: [Groff] Arabic support ?
Date: Sun, 08 Jan 2006 23:07:41 +0100 (CET)

> > Unfortunately, this isn't true.  groff really does *format* the
> > man page, so it has to know both the direction of the text and the
> > metrics of the used fonts, even for TTYs.
> > 
>
> so how groff-utf8 extension
> (http://www.haible.de/bruno/packages-groff-utf8.html) do it, as it
> works with me (see this screen shot
> http://khalid_hosny.manalaa.net/image_galleries/screenshoots/first_arabic_manpage)

Actually, it doesn't work.

  . Support for both LTR to RTL scripts in the same line fails.
    arabic(1) is rendered as

      )1(cibara

    instead of

      (1)cibara

    With other words, groff formats the complete text as if it were
    LTR only -- no support for the bidi algorithm.

  . You won't get left and right justified text for any other device
    than TTY -- to do this groff had to insert keshideh extenders.
    And even for TTY it won't work in case the shaping engine changes
    the width of glyphs.


      Werner




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