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From: Ron van Ostayen <R.A.J.vanOstayen@WbMT.TUDelft.NL>
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Subject: Greek characters in metapost
Date: Thu, 12 Sep 2002 13:15:16 +0200
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For my PhD thesis I'm experimenting with MetaPost figures (or actually 
gnuplot pictures on the MP terminal).
However, I've found that some characters, for example the greek 
characters, do not show in the generated postscript.

A minimal example (test.mp):

beginfig(0);
u = 1cm;
draw (1u,0)..(0,1u)..(-1u,0)..(0,-1u)..cycle;
label.top( btex $\alpha$ etex, (0,0));
endfig;

texexec --mptex test.mp

should produce a postscript file test.0 showing a circle with an alpha 
in the center.
The circle is there, the alpha isn't.

Instead, the postscript file prints a \013 character (which isn't 
visible on screen) from the CMMI-font.

I'm using the latest TexLive CD (v7).

Does anyone recognize this behaviour and knows how to solve it?
Thanks for any suggestions.

Ron van Ostayen