% issue identified by MP

\setupcaptions
  [prefix=no,
   way=bytext]

% \setupcaption
%   [figure, table]
%   [prefix=no,
%    way=bytext]

\starttext

\setupblackrules
  [width=4cm, height=1cm]

\dorecurse {2} {

    \startchapter [title=Chapter]

        \dorecurse {2} {

            \startplacefigure
                \blackrule
            \stopplacefigure

            \startplacetable
                \blackrule
            \stopplacetable

        }

    \stopchapter

}

\stoptext
