[NTG-context] \setbreakpoints[compound] with numbers

[Denis Maier]

Am 17.09.2020 um 19:07 schrieb Hans Hagen:
> On 9/17/2020 4:54 PM, Denis Maier wrote:
>> Hi,
>>
>> In the texts I'm currently typesetting, I occassionaly have to deal 
>> with ISBNs. So, e.g. 978-3-123456-78-9
>>
>> \setbreakpoints[compound] does not enable automatic linebreaks after 
>> or before the hyphens. Is there a way to deal with this? Perhaps 
>> something similar like \hyphenatedurl{} or an extended version of 
>> \setbreakpoints.
>>
>> (I currently use zero-width spaces, so I got rid of ISBNs in the 
>> margins, but a more automatic solution would be great.)
> 
> \unexpanded\def\isbnnumber#1%
>    {\cldcontext{string.gsub("#1","-","\\automaticdiscretionary")}}
> 
> \hsize 1mm \isbnnumber{123-456}

Thanks.