%   CLIverbatim is like the LaTeX verbatim environment except
% that the characters \ { } $ _ and ^ are NOT transparent.  This means that
% you can embed control sequences inside of verbatim text, and do math
% subscripting and superscripting.

\def\CLIdospecials{\do \ \do \&\do \# \do \^^K \do \^^A \do \% \do \~}

\def\@CLIverbatim{\trivlist \item[]\if@minipage\else\vskip\parskip\fi
\leftskip\@totalleftmargin\rightskip\z@
\parindent\z@\parfillskip\@flushglue\parskip\z@
\@tempswafalse \def\par{\if@tempswa\hbox{}\fi\@tempswatrue\@@par}
\obeylines \small \tt \catcode``=13 \@noligs \let\do\@makeother \CLIdospecials}

\def\CLIverbatim{\@CLIverbatim \frenchspacing\@vobeyspaces}
\let\endCLIverbatim=\endtrivlist

\def\smtt{\small\tt}
\def\bm{\smtt}