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From: "Denis B. Roegel" <Denis.Roegel@loria.fr>
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Subject: Re: metapost problem
Date: Sun, 7 Jan 2001 18:33:17 +0100 (MET)
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In-Reply-To: <20010107144456.T6997@cs.ucc.ie> from "Marc van Dongen" at Jan 07, 2001 02:44:56 PM
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`Marc van Dongen' wrote
>   
>   I am having a problem I cannot understand.
>   Perhaps there's something wrong with my
>   installation. When I run mpost on attached
>   tmp.mp I get attached tmp.0.
>   
>   I would have expected the letter $x$ to be
>   positioned at (1cm,0) but instead it is
>   positioned at (0,0). I've use boxes many
>   times but thins I cannot understand. Am I
>   doing something terribly wrong? Am I
>   overlooking something?  Any other suggestions?

Yes, you made the mistake to write xl.s  := (1cm,0);
instead of xl.s = (1cm,0). By using :=, you are messing
up internal equations in the boxes package and the result
you get is normal. I've had this problem a few weeks ago,
and it took me a while to find out! Never use := in these
contexts!

(Disclaimer: I haven't compiled your file, so this is a guess.)

Denis