\starttext

    \writestatus{1}{\the\prevdepth} \null\vskip4cm      { \writestatus{1}{\the\prevdepth} \baselineskip1cm xxxxxxxxx \par } \page
    \writestatus{2}{\the\prevdepth} \null\vskip4cm      { \writestatus{2}{\the\prevdepth} \baselineskip1cm xxxxxxxxx \par } \page
    \writestatus{3}{\the\prevdepth} \null\vskip4cm      { \writestatus{3}{\the\prevdepth} \baselineskip5cm xxxxxxxxx \par } \page
    \writestatus{4}{\the\prevdepth} \input tufte                                                                            \page
    \writestatus{5}{\the\prevdepth} \input tufte                                                                            \page
    \writestatus{6}{\the\prevdepth} \null\vskip4cm      { \writestatus{6}{\the\prevdepth} \baselineskip1cm xxxxxxxxx \par } \page

\stoptext
