\starttext

    \definefontfeature[test][mode=node,tlig=yes,liga=yes,kern=yes]

    \startTEXpage
        \definedfont[Serif*test]
        \startlines
            fiets
            effe
            flink
        \stoplines
        \definedfont[arial*test]
        \startlines
          1  \endash
          2  \emdash
          3  \char 45\char 45
          4  \char173\char173
          5  \char173\char 45
          6  \char 45\char173
          7  \char 45\char 45\char 45
          8  \char173\char173\char173
          9  \char173\char 45\char 45
          0  \char 45\char173\char173
        \stoplines
    \stopTEXpage

\stoptext
