spread box contents [trying again]

["Idris Samawi Hamid" <ishamid@colostate.edu>]

Hi gang,

Did not get any feedback, I'll try again:
==================================
Date: 2007-03-02 07:34 -700

Hmm, no reply yet, maybe the following is more interesting:

On Thu, 01 Mar 2007 12:30:42 -0700, Idris Samawi Hamid
<ishamid.at.remove.this.colostate.edu> wrote:

> How can I evenly spread the contents of a box or column-row? In PlainTeX
> there is
>
> \hbox{Here\hfill is\hfill an\hfill evenly\hfill spread\hfill line.}
>
> but there must be a better (read "ConTeXt-") way. I looked into thisyears
> ago and may have found the answer; but I've forgotten it...

===================================
\starttext

\defineparagraphs[TwoColumns][n=2,distance=2cm]
\setupparagraphs[TwoColumns][each][width=5cm,tolerance=stretch]
\setupframedtexts[frame=off]
      \startframedtext[middle]
      \startalignment[middle]
      \startTwoColumns
      \hbox spread \textwidth{Here is the first line 1a}
      \TwoColumns
      Here \hfill is \hfill the \hfill first \hfill line \hfill 1b
      \stopTwoColumns
      \startTwoColumns
      Here \hfill is \hfill the \hfill second \hfill line \hfill 2a
      \TwoColumns
      Here \hfill is \hfill the \hfill second \hfill line \hfill 2b
      \stopTwoColumns
      \stopalignment
      \stopframedtext

\stoptext
==============================

How can I get the first column right? Note that, according to the manual,
\textwidth gives the width of a column but in this case it apparently
gives a full \hsize.

RELATED QUESTION: How can I control the distance between rows? I do not
want any extra whitespace between rows (i.e., except the normal
interparagraph space).

Please advise!

Best
Idris

-- 
Professor Idris Samawi Hamid
Department of Philosophy
Colorado State University
Fort Collins, CO 80523

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