%
% verbatime 環境での行間を変えるためのコマンド \verbatimbaselineskip
%
% * http://www.rsj.or.jp/JRSJ/Style/JRSJ-latex209SJIS/jrsj.sty より
%
\newdimen\verbatimleftmargin
 \verbatimleftmargin=\z@
\newdimen\verbatimbaselineskip
 \verbatimbaselineskip=\baselineskip
\def\verbatimsize{\normalsize}

\def\@verbatim{%
 \topsep\z@\partopsep\z@\parsep\z@\itemsep\z@
 \trivlist \item[]%
  \if@minipage \else
   \vskip\baselineskip
   \vskip-\verbatimbaselineskip
   \vskip\parskip
  \fi
  \leftskip\@totalleftmargin
  \if@minipage \else
   \advance \leftskip by \verbatimleftmargin
  \fi
   \rightskip\z@
   \parindent\z@
   \parfillskip\@flushglue
   \parskip\z@
   \@tempswafalse
    \def\par{\if@tempswa\hbox{}\fi\@tempswatrue\@@par}%
     \obeylines
     \verbatimsize \baselineskip\verbatimbaselineskip \tt
     \catcode``=13 \@noligs \let\do\@makeother \dospecials}