> Pablo Rodriguez <mailto:oinos@gmx.es>
> 11. Januar 2016 um 06:53
> Dear list,
>
> I have this sample:
>
> \showframe
> \setuppapersize[A7]
> \setupnotation[footnote][width=broad]
> \starttext
> \footnote{\input zapf}
> \stoptext
>
> I need better spacing in footnotes (to avoid horizontal overflows).
>
> I thought "width=broad" would improve the situation, but it didn’t
> change anything.
>
> What am I doing wrong here?
You have to change the alignment values. Instead of "stretch" which 
allows ConTeXt
to put larger spaces between word you can use font expansion.

\setupnotation[footnote][align={verytolerant,stretch}]

Wolfgang