\startbuffer[test]
<table>
    <tablerow>
        <tablecell>
            One
        </tablecell>
        <tablecell>
            Two
        </tablecell>
    </tablerow>
    <tablerow>
        <tablecell>
            <b>Three</b>
        </tablecell>
        <tablecell>
            Four
        </tablecell>
    </tablerow>
</table>
\stopbuffer

\startxmlsetups xml:testsetups
    \xmlsetsetup{main}{b|table|tablerow|tablecell}{xml:*}
\stopxmlsetups

\xmlregistersetup{xml:testsetups}

\startxmlsetups xml:b
    \bold{\xmlflush{#1}}
\stopxmlsetups

\startxmlsetups xml:table
    \startembeddedxtable
        \xmlflush{#1}
    \stopembeddedxtable
\stopxmlsetups

\startxmlsetups xml:tablerow
    \startxrow
        \xmlflush{#1}
    \stopxrow
\stopxmlsetups

\startxmlsetups xml:tablecell
    \startxcell
        \xmlflush{#1}
    \stopxcell
\stopxmlsetups

\starttext
    \xmlprocessbuffer{main}{test}{}
\stoptext
