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From: Hans Hagen <pragma@wxs.nl>
Newsgroups: gmane.comp.tex.context
Subject: Re: About 'repeat' option of \startitemize
Date: Wed, 21 Dec 2005 14:17:41 +0100
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Radhelorn wrote:

> Hello All!
> A while ago Hans introduced 'repeat' option for \startitemize to make 
> nested items. I've decided to give it a try:

next time give it a try when i just made it; it took some time to figure 
out what was wrong (rather tricky code)

\unprotect

\def\checkforrepeatedlistitem
  {\ifnum\itemlevel=\plusone
     \initializeboxstack{item}%
   \fi
   \ifconditional\repeatlistitem
      \savebox{item}{\itemlevel}{\hbox{\copy8}}%
      \setbox8\hbox to \wd8
       {\setbox\scratchbox\hbox
          {\scratchcounter\itemlevel
           \advance\scratchcounter\minusone
           \dorecurse\scratchcounter{\foundbox{item}{\recurselevel}}}%
        \ifnum\itemlevel>\plusone
          \ifdim\wd\scratchbox>\zeropoint
            \hskip-\dimen2
            \box\scratchbox
          \fi
        \fi
        \box8 }%
   \fi}

\showframe

\starttext

\startbuffer
\item
  \startitemize[n]
  \item item 1.1
  \item item 1.2
      \startitemize[n]
      \item item 1.2.1
      \item item 1.2.2
      \stopitemize
  \item item 1.3
  \stopitemize
\item
  \startitemize[n]
  \item item 2.1
  \item item 2.2
  \stopitemize
\item item 3
  \startitemize[n]
  \item item 3.1
  \item item 3.2
  \stopitemize
\item
  \startitemize[n]
  \item item 4.1
  \item item 4.2
  \stopitemize
\stopbuffer

\startitemize[n,repeat,6*broad,packed]
\getbuffer
\stopitemize
\blank[3*big]
\startitemize[n,repeat,packed]
\getbuffer
\stopitemize
\blank[3*big]
\setupitemize[each][atmargin][width=3em]
\startitemize[n,repeat,packed]
\getbuffer
\stopitemize

\stoptext