\setupbreakpoints[compound] does not work?

\setupbreakpoints[compound] does not work?

["H. Özoguz"]

Hi,

in the following example I use \setbreakpoints[compound], I understood, 
that word-breaking would be made (or preferred) at hyphens.

There could be a perfect line break at the hyphen of "-CC", but there is 
no break, and instead the complete word "AA-BB-CC" is printed, then 
partially in the margin.


\setbreakpoints[compound]

\showframe

\version[temporary]


\starttext

.......................................................................................................................AA-BB-CC. 
And the next sentence.

\stoptext


Why that does not work?

Huseyin

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Re: \setupbreakpoints[compound] does not work?

[Wolfgang Schuster]

Am 29.11.2012 um 13:12 schrieb H. Özoguz <h.oezoguz@mmnetz.de>:

> Hi,
> 
> in the following example I use \setbreakpoints[compound], I understood, that word-breaking would be made (or preferred) at hyphens.
> 
> There could be a perfect line break at the hyphen of "-CC", but there is no break, and instead the complete word "AA-BB-CC" is printed, then partially in the margin.
> 
> 
> \setbreakpoints[compound]
> 
> \showframe
> 
> \version[temporary]
> 
> 
> \starttext
> 
> .......................................................................................................................AA-BB-CC. And the next sentence.
> 
> \stoptext
> 
> 
> Why that does not work?

It comes from the settings for hyphen, when you look at the definition

  \definebreakpoint [compound] [-] [nleft=3,nright=3,type=1]

you can see it needs at least three characters at the left and right before a line break is inserted,

When you change the settings to

  \definebreakpoint [compound] [-] [nleft=2,nright=2]

a linebreak is inserted after the hyphen. You can also change the values only for a certain language when you add “language=…” to \definebreakpoint.

Wolfgang
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