\def\filename{fllater}


\def\next{\@insertfalse \@textmin \textfraction\@colht
   \@tempdima\@pageht \advance\@tempdima\@pagedp
   \ifdim \@textmin >\@tempdima \@tempdima\@textmin \fi
       \advance\@tempdima\ht\@currbox \advance\@tempdima\@maxsep
   \ifdim\@colroom >\@tempdima
      \ifnum\@colnum >\z@
         \@currtype\count\@currbox \divide\@currtype\@xxxii
                \multiply\@currtype\@xxxii
         \@bitor\@currtype\@deferlist
         \if@test\else
            \@bitor\@currtype\@botlist
            \if@test \@addtobot \else
               \ifodd\count\@currbox
                 \global\advance\@colnum\m@ne
                 \@cons\@midlist\@currbox
                 \vskip\intextsep \box\@currbox
                 \penalty\interlinepenalty \vskip\intextsep
                 \ifnum\outputpenalty <-\@Mii \vskip -\parskip\fi
                 \outputpenalty\z@
                 \@inserttrue
               \else \@addtotoporbot
   \fi\fi\fi\fi\fi
   \if@insert\else\@cons\@deferlist\@currbox\fi}

\ifx\@addtocurcol\next
\let\next\relax
\def\@addtocurcol{\@insertfalse \@textmin \textfraction\@colht
   \@tempdima\@pageht \advance\@tempdima\@pagedp
   \ifdim \@textmin >\@tempdima \@tempdima\@textmin \fi
       \advance\@tempdima\ht\@currbox \advance\@tempdima\@maxsep
   \ifdim\@colroom >\@tempdima
      \ifnum\@colnum >\z@
         \@currtype\count\@currbox \divide\@currtype\@xxxii
                \multiply\@currtype\@xxxii
         \@bitor\@currtype\@deferlist
         \if@test\else
            \@bitor\@currtype\@botlist
            \if@test \@addtobot \else
               \ifodd\count\@currbox
                 \global\advance\@colnum\m@ne
                 \@cons\@midlist\@currbox
                 \vskip\intextsep \box\@currbox
                 \penalty\interlinepenalty \vskip\intextsep
                 \ifnum\outputpenalty <-\@Mii \vskip -\parskip\fi
                 \outputpenalty\z@
                 \@inserttrue
               \else \@addtobot
   \fi\fi\fi\fi\fi
   \if@insert\else\@cons\@deferlist\@currbox\fi}
\else
\errmessage{Style \filename\space is out of date}
\fi