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From: Hans Hagen <pragma@wxs.nl>
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Subject: Re: bug in alignbox
Date: Fri, 14 May 2004 18:09:41 +0200
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At 10:53 14/05/2004, you wrote:
>Hallo Hans,
>
>I have played with positioning text in layers. I noticed that parameter 
>"location=t"
>   \setlayer[MyLayer][...,location=t,...]{...}
>behaves the same way as "location=c". It seems to me it is the bug in 
>optimized definition of
>\alignedbox. If I use commented version of \alignedbox from source file 
>core-box.tex
>it is OK. Can you look at it, please?

ah, a real seious bug! You need to fix both b and t:

\setvalue{\??ab\??ab  b}{\bottombox}
\setvalue{\??ab\??ab  t}{\topbox}

Hans