\starttext

test \startitemize[a,text][textdistance=space]
    \startitem one \stopitem
    \startitem two \stopitem
\stopitemize test

test \startitemize[a,text][textdistance=none]
    \startitem one \stopitem
    \startitem two \stopitem
\stopitemize test

test \startitemize[a,text][textdistance=medium]
    \startitem one \stopitem
    \startitem two \stopitem
\stopitemize test

\stoptext
