\input eplain

\loggingall

\vsize = 6\baselineskip
\doublecolumns

\leftline{1\footnote\dag{A footnote that is longer than the column
width. Much much longer longer.}}
\count255 = 2
\loop
  \leftline{\number\count255}
  \advance\count255 by 1
\ifnum\count255 < 14 \repeat

\bye