[NTG-context] \setupwhitespace[default]

Is default a valid option for \setupwhitespace? It's listed in the wiki page but gives an error when used, e.g. \starttext \input knuth \par\thinrule\par \setupwhitespace[big] \input knuth \par\thinrule\par \setupwhitespace[default] \input knuth \stoptext Wiki link: https://wiki.contextgarden.net/Command/setupwhitespace — Bruce Horrocks Hampshire, UK