[NTG-context] hyphenation of urls in french docs

Hi (mostly for Hans), Is there a clean way to get around this problem: \useencoding[ffr] \mainlanguage[fr] \starttext \hyphenatedurl{http://somewhere.to/go} \stoptext It gives: ! Undefined control sequence. <argument> \discretionarytoken because of the active : , but I am not sure what is the best fix.