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From: Hans Hagen <pragma@wxs.nl>
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Subject: decriptions
Date: Fri, 25 Jun 1999 13:39:30 +0200
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Hi all and Wybo in particular, 

I suppose this is what you want: 

\setuplayout[width=100mm]

\definedescription
  [description]
  [location=hanging,        % implemented recently 
   margin=standard,
   headstyle=bold]

\definestartstop
  [descriptions]
  [before=\blank\startpacked,
   after=\stoppacked\blank,
   commands=\let\item\description]

\starttext

\dorecurse{10}{This one is for Wybo. }

\startdescriptions

\description {aap:} is a monkey, but much more can be told
about this animal;s for example they are hairy, mostly
brown or black and they resemble people a lot.

\item {noot:} is a vegetable; again there are many kinds
and you will get very fat if you eat lots of them.

\startdescription {this is a rather long item:}

it is not very interesting in itself, but gives me the
opportunity to tell you something about the description
environment: it is like an itemize, but with user-supplied
labels which are printed bold.

\stopdescription

\stopdescriptions

\dorecurse{10}{This one is for Wybo. }

\stoptext 

I think it makes sense to add such latex counterparts to a specific
module m-latex or so. If needed, with some \begin \end alike
substitutes, like 

\let\normalbegin\begin

\let\complexbegin\normalbegin

\def\simplebegin#1%
  {\getvalue{start#1}\bgroup
   \def\end##1{\egroup\getvalue{stop##1}}}

\definecomplexorsimple \begin

So, that one can now also say: 

\begin{descriptions}

\item {aap:} is a monkey, but much more can be told
about this animal;s for example they are hairy, mostly
brown or black and they resemble people a lot.

\item {noot:} is a vegetable; again there are many kinds
and you will get very fat if you eat lots of them.

\item {this is a rather long item:} it is not very
interesting in itself, but gives me the opportunity to tell
you something about the description environment: it is like
an itemize, but with user-supplied labels which are printed
bold.

\end{descriptions}

But, keep in mind that \begin \end is used for different purposes in
context (block moves/reuse), although the definition given here is
supposed to take care of that (untested). So, consider this a last
resort. 

Hans

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