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From: Hans Hagen <pragma@wxs.nl>
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Subject: Re: Fields in tabulate and an error(?) in texexec
Date: Thu, 12 Apr 2001 12:34:05 +0200
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At 07:09 AM 4/12/01 +0200, Lutz.Haseloff@lbapdm.brandenburg.de wrote:
>Hi Hans, Hi all,
>
>some months ago i asked for the possibility to use Fields
>in the tabulate environment. Today i tried it with the newest
>ConTeXt and it failed. (message: Field already typeset)
>Will this feature be available in the future?

The complication is that trial runs are done, you can try to encapsulate
your code with: 

\iftrialtypesetting

\else
  ..... 
\fi

I have to look in detail in the module to see if i can make this automatic
behavior, not only for fields. 

Another trick is the following: 

\starttext

\setupinteraction[state=start]

\initializeboxstack{fields}
\definefield[one][text]
\definefield[two][text]
\savebox{fields}{one}{\field[one]}
\savebox{fields}{two}{\field[two]}

\starttabulate[|l|l|]
\NC one \NC \foundbox{fields}{one} \NC \NR
\NC two \NC \foundbox{fields}{two} \NC \NR
\stoptabulate

\stoptext

This will not work in your version [some bug in new box stack code] so i
will send you an update of the box module. 

>I tried to select some pages of a PDF document with
>
>texexec --pdfselect --selection=5:100 vhb_2000
>
>but pdftex fails with an error message:
>missing = inserted for \ifnum
>at the : in the line \filterpages[vhb_2000.pdf][5:100][width=0pt]
>in texexec.tex
>
>(I had to prepare a texexec.tex with 
>\filterpages[vhb_2000.pdf][5,6,7,8,9,10,11,12,...,100][width=0pt])
>
>is this an error in texexec?

I'll have a look. Either perl or tex should handle it. 

Hans
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                                  Hans Hagen | PRAGMA ADE | pragma@wxs.nl
                      Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: +31 (0)38 477 53 69 | fax: +31 (0)38 477 53 74 | www.pragma-ade.com
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