[XeTeX] xetex arabic fonts issue

[Abdulrahman Al-Abdusalalm]

Thanks all for the helpful replies. Previously I had a pfb version under
TEXMFHOME dir
after removing it the problem seems to persist. I generated the pfb version
so I can test
the font with plain pdfTeX engine. Do I have to remove all the other tfm,
enc, map files also?
I will give it a try ...

Kindest Regards,
Abdulrahman

On 27 June 2010 06:58, Jonathan Kew <jfkthame at googlemail.com> wrote:

> On 26 Jun 2010, at 16:46, Khaled Hosny wrote:
>
> > On Sat, Jun 26, 2010 at 03:04:05PM -0700, wodzicki at math.berkeley.eduwrote:
> >>
> >>> My guess is that you have an old version of the font installed
> somewhere.
> >>> Having to different version of the same font installed is known to
> cause
> >>> this kind of issues with xetex, deleting the old version(s) is enough
> >>> to solve this issue.
> >>>
> >>> Regards,
> >>> Khaled
> >>
> >> "an old version" should not be understood literally. Two identical
> copies
> >> of the exactly same font: one, say, in the system fonts directory, and
> >> another one in the TeX distribution tree -- will cause this behavior.
>
> I have not seen any evidence that this is so, and would be very surprised
> if this happens.
>
> >> This
> >> is a very frustrating and well attested bug in XeTeX (which for some
> >> reason has been ignored so far by the XeTeX creator and maintainer).
> >
> > Theoretically, if my previous "analysis" of this issue was correct, two
> > identical copies should not cause any problems, since both will have
> > the same glyph IDs. I should have said a different instead of old copy,
> > though.
>
> Indeed. The problem may occur if two *different* versions of the "same"
> font (i.e., with the same font names, but different versions or different
> formats -- e.g., type 1 vs truetype) are installed. As I believe I have
> explained previously, it's possible that xetex will find one font during
> formatting, but then xdvipdfmx finds the other at PDF generation time, and
> the glyph IDs don't match.
>
> Obviously, it would be better if the two programs were guaranteed to always
> find the same font for a given name, but ensuring this for all
> configurations and environments may not be as simple as it sounds. For now,
> at least, the *strong* recommendation is to have only ONE version of any
> given font installed.
>
> JK
>
>
>
>
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