Non riesco a capire il senso.
Ecco un esempio complilabile:
`\documentclass[10pt,a4paper,twoside,openright,titlepage,%fleqn,%
headinclude,,footinclude,BCOR5mm,%
numbers=noenddot,cleardoublepage=empty,%
tablecaptionabove,abstracton]{scrreprt}
\usepackage[applemac]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{indentfirst}
\usepackage[writefile]{listings}
\usepackage{classicthesis-ldpkg}
\usepackage[eulerchapternumbers,subfig,beramono,%
eulermath,pdfspacing,manychapters]{classicthesis}
\usepackage[italian]{babel}
\usepackage[italian]{arsclassica}
\usepackage{guit}
\definecolor{lightergray}{gray}{0.99}
\lstset{language=[LaTeX]Tex,
keywordstyle=\color{RoyalBlue},
basicstyle=\normalfont\ttfamily,
commentstyle=\color{Emerald}\ttfamily,
stringstyle=\rmfamily,
numbers=none,
numberstyle=\scriptsize,
stepnumber=5,
numbersep=8pt,
showstringspaces=false,
breaklines=true,
frameround=ftff,
frame=lines,
backgroundcolor=\color{lightergray}
}
\lstset{ %
commentstyle=\color{Emerald}\ttfamily,%
frame=lines,
backgroundcolor=\color{lightergray}%
}
\lstset{ morekeywords={Ars}}
\lstset{basicstyle=\normalfont\ttfamily}
\lstset{flexiblecolumns=true}
\lstset{moredelim={[is][\color{RoyalBlue}]{/*}{*/}}}
\lstset{moredelim={[is][\ttfamily]{!?}{?!}}}
\lstset{escapeinside={£*}{*£}}
\lstset{extendedchars}
\makeatletter
\lstnewenvironment{sidebyside}{%
\global\let\lst@intname\@empty
\setbox\z@=\hbox\bgroup
\setkeys{lst}{columns=fullflexible,%
linewidth=0.45\linewidth,keepspaces=true,%
breaklines=false,%
breakindent=0pt,%
boxpos=t,%
basicstyle=\small\ttfamily
}%
\lst@BeginAlsoWriteFile{\jobname.tmp}%
}{%
\lst@EndWriteFile\egroup
\begin{center}%
\begin{minipage}{0.45\linewidth}%
\hbox to\linewidth{\box\z@\hss}
\end{minipage}%
\qquad
\begin{minipage}{0.45\linewidth}%
\setkeys{lst}{frame=none}%
\leavevmode \catcode`\^^M=5\relax
\small\input{\jobname.tmp}%
\end{minipage}%
\end{center}%
}
\makeatother
\hypersetup{citecolor=webgreen}
\begin{document}
\begin{sidebyside}
\begin{!?thebibliography?!}{9}
\bibitem{eco:tesi}
Eco, Umberto (1977),
\emph{Come si fa una tesi di
laurea}, Bompiani, Milano.
\bibitem{mori:tesi}
Mori, Lapo Filippo (2007),
«Scrivere la tesi di laurea
con \/*LaTeXe*/», \Ars~(3).
\end{!?thebibliography?!}
\end{sidebyside}
\end{document}`
Grazie mille,
L.