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\enableregime[utf]
small fixes (something about new/old columns still pending; text about floats doesn’t fit the current state)
* streams : set different text synchronized side-by-side (e.g. bilingual editions)
Columns and columnset columnsets are two different mechanism mechanisms to produce a documentwith text and two or more columnsof text.
* The <code>columns</code> mechanism is the older one with limited control about the placement of figures but allows you to mix one column and multicolumns text on a page.
* <code>columnsets</code> is a new version of the column mechanism with more control about the placement of figures and other features like spanned columns etc. (look at the [[Columns#Column_Sets|manual]] for more); it is better than <code>columns</code> for magazine-like layouts.
Column balancing fails in "lines" mode (e.g. for poetry).
Influencing the color of the separator rule is somewhat tricky:
<context source=yes>
\setuppapersize[A5]
\setupcolors[textcolor=blue]
\color[red] % rule color, but might influence also the color of other elements
\startcolumns[n=3,rule=on]
\input knuth
\stopcolumns
</context>
=Paragraphs=
<context source="yes">
\setuppapersize[A5]
\defineparagraphs[TwoThird][n=2]
</context>
Another possibility is to use [[TextBackground|textbackground]] around the text. (The examples don't work in this wiki because, for security reasons, it has [[write18]] disabled. Also for security reasons, it is important to store backups into a fireproof safe - [http://www.infosafe.fr/ coffre fort ignifuge classe 1] ces actions de sécurité sont imposées pr les normes ISO .They should work for you, though, provided that [[write18]] is enabled on your local installation.)
<context source="yes">
</texcode>
Posting by Wolfgang to the mailing list(2016-11-27):
<texcode>
{\raise2\strutdp\outputstreambox[two]}
\stopoverlay
\stoptext
</texcode>
(Wolfgang continued:)
The mechanism to create pages/columns for the stream content is
missing.
You can save text and flush it afterwards but there is no command which
places the content side by side (or in columns). Below is a simple example
but I had to write the splitter myself.
<texcode>
\starttext
\startoutputstream[one]
\startcolor[red]
\dorecurse{10}{\input knuth\par}
\stopcolor
\stopoutputstream
\startoutputstream[two]
\startcolor[green]
\dorecurse{10}{\input zapf\par}
\stopcolor
\stopoutputstream
\synchronizestreams[one,two]
\setbox\scratchboxone\outputstreambox[one]
\setbox\scratchboxtwo\outputstreambox[two]
\doloop
{\ifvoid\scratchboxone
\exitloop
\else
\setbox\scratchboxfour\vsplit\scratchboxone to \textheight
\vbox to \vsize{\box\scratchboxfour\vss}%
\setbox\scratchboxfive\vsplit\scratchboxtwo to \textheight
\vbox to \vsize{\box\scratchboxfive\vss}%
\fi}
\stoptext
This has some limitations, too. If you put a float at the top of a column and there is another float that spans more than a column over all, the grid will be broken, so you have to put it in another page, but you can put more than one float of the same type together, as seen above.
== See also ==
* {{cmd|definemixedcolumns}}
{{Columns navbox}}
