On Fri, 8 Apr 2011, Procházka Lukáš Ing. - Pontex s. r. o. wrote:

> Hello,
>
> I tried to add the Wolfgang's solution to wiki, the last example on
>
> http://wiki.contextgarden.net/TextBackground
>
> But the rendered example doesn't show any (dashed) background, although the 
> standalone test file does.
>
> Why?

The underbar is drawn using metapost. The wiki still uses MkII, and does 
not have write18 enabled. So, you need to add \runMPgraphicsfalse in the 
file (I think that that should be added to cont-usr.tex on the wiki).

Aditya