Re: frames and columns

[Aditya Mahajan <adityam@umich.edu>]

On Tue, 20 May 2008, Wolfgang Schuster wrote:

> Hi Hans,
>
>> Yes I can see others have found the same problem. But thanks anyway
>> for the link, because it prompted me to experiment with a box. At
>> least for \startsimplecolumns .. \stopsimplecolumns there seems to be
>> hope. See the example below, the last framedtext has two columns
>> inside. For \startcolumns .. \stopcolumns this is not a solution: an
>> error message about \prevdepth appears.
>
> Normal columns need the output routine and won't work inside of a box,
> streams are a way to invoke the output routine.
>
> Simplecolumns are simpler and don't need the output routine, it's just
> a simple vsplit and work in a few cases but is more limited, this is why
> it did work, the internal function is like this.
>
> \starttext
> \setbox0=\vbox{\hsize.45\hsize\input knuth\par}
> \setbox1=\vsplit0 to .5\ht0
> \hbox to\hsize{\box1\hfill\box0}
> \stoptext

Thanks for this explanation. This makes it much easier to understand when 
to use columns and when to use simplecolumns.

Aditya

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