[NTG-context] Strange behaviour of \bTABLE ... \eTABLE

Hans Hagen pragma at wxs.nl
Mon Jul 25 22:43:41 CEST 2005


Elena Fraboschi wrote:

>Dear Mojca:
>
>I think I see what the problem is.  If, instead of typing
>
>  
>
>>\bTR\bTD
>>	a midaligned parbox:
>>\eTD\bTD[offset=0pt,width=1em] % 1em wide paragraph
>>	1 2 3
>>\eTD\eTR
>>    
>>
>
>you type
>1\ 2\ 3\
>
>you get what is wanted, namely,
>
>  1
>  2
>  3
>  
>My guess is that there is a built-in bias not to split a line
>but, rather, give you an overfull \hbox.  I "forced" the
>issue by defining each column to be less than 1em (because "1"
>is a very narrow char that surely takes less than 1 em), and
>by adding a typescript space after each number.  It might
>even be possible to eliminate the typescript space and simply
>define each column to be 0.25em, say, but I did not try it.
>Best, elena
>
>P.S.  Let me know if I missed the boat entirely.  This is the
>first issue I attempt to answer.
>
>Here is what I ran in LiveContext:
>
>\starttext
>\setupTABLE[frame=on] % only for debugging reasons
>\setupTABLE[c][each][align=lohi] % to center vertically (any better way?)
>\bTABLE
>\bTR\bTD[offset=0pt,width=0.5em] % 1em wide paragraph
>	1\ 2\ 3\
>\eTD\eTR
>\eTABLE
>\stoptext
>
>
>
>  
>
>>Hello,
>>
>>On the wiki (http://contextgarden.net/Vertically_centred) a while ago 
>>someone asked how to do the following in ConTeXt:
>>
>>%%%%%%
>>
>>\documentclass{article}
>>\begin{document}
>>a box with a table:
>>\fbox{\begin{tabular}[c]{l}1\\2\\3\end{tabular}}\par
>>
>>a midaligned parbox: \parbox[c]{1em}{1 2 3}
>>\end{document}
>>
>>%%%%%%
>>
>>I don't know if this would be the proper solution, but for the second 
>>case (\parbox[c]{1em}{...} which should make a paragraph 1 em wide and 
>>center the paragraph box vertically) I tried the following:
>>
>>%%%%%%
>>
>>\setupTABLE[frame=on] % only for debugging reasons
>>\setupTABLE[c][1,2][align=lohi] % to center vertically (any better way?)
>>\bTABLE
>>\bTR\bTD
>>	a midaligned parbox:
>>\eTD\bTD[offset=0pt,width=1em] % 1em wide paragraph
>>	1 2 3
>>\eTD\eTR
>>\eTABLE
>>
>>%%%%%%
>>
>>My ConTeXt version is 2005.06.27.
>>See the vcenter-context-old.png for the result.
>>
>>The strange thing is that the number 2 is still in the first line, 
>>although it is too wide.
>>
>>Even more strange, I tried the same on live.contextgarden.net. See 
>>vcenter-context-new.png for the result.
>>
>>vcenter-latex.tex is what the result should be.
>>
>>-------------------------------------------------------------------
>>
>>This also results in a mess on the live.contextgarden.net:
>>
>>\bTABLE
>>\bTR\bTD
>>    {\bTABLE
>>       \bTR\bTD whatever \eTD\eTR
>>    \eTABLE}
>>\eTD\eTR
>>\eTABLE
>>
>>Mojca
>>    
>>
>
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>
>
>  
>


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