Yep that can be a good idea. I don't know anything on how mathtext is working 
but I'm not completely sure that the problem is with freetype because 
sometime that can work. In reality every character I tested worked but you 
have to put in a certain order. To understand a little bit more what I try to 
say (very badly) see the script join and the figure. 
 
I hope that can help a little bit to try to find the reason of this behaviour.

N

Le Thursday 25 October 2007 15:41:40 Michael Droettboom, vous avez écrit :
> Darren Dale wrote:
> > Hi Mike,
> >
> > On Tuesday 23 October 2007 09:05:56 am Michael Droettboom wrote:
> >> Unfortunately, I can't reproduce this on my machine even with the latest
> >> stable version of freetype-2.5.3 (which is the same version in Ubuntu
> >> Gutsy).
> >
> > I think you mean freetype-2.3.5. I also have that version installed,
> > although the mpl setup script is reporting 9.16.3.
>
> Yes.  freetype-2.3.5.  There are arcane historical reasons I don't fully
> comprehend why the pkgconfig version doesn't match the release version
> (and why freetype2 is called freetype6 on Debian and derivatives)...
> but my numbers do match yours.
>
> >> The Ubuntu/Debian package of freetype has a lot of patches
> >> applied, and I don't know if they are causing this (but from the looks
> >> of them, I doubt it).
> >>
> >> Can you set debug.verbose to "annoying" and send me the output of your
> >> matplotlib run?  I want to rule out any font-loading problems.
> >
> > It's attached. I'm running 64bit gentoo, everything compiled with
> > gcc-4.2.2, in case its relevent.
>
> Always good to have more details, but I'm sort of at a loss on this one,
> especially since I can't reproduce it.
>
> Maybe we need to take a poll on this list of who is working and who
> isn't to see what the source of the breakage may be...
>
> Cheers,
> Mike

<<attachment: test_mathtext.png>>

Attachment: test_mathtext.py
Description: application/python

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