\begin{itemize}\itemsep=0pt
\item replaces $\backslash$n, $\backslash$r, $\backslash$t by respective characters (according to C syntax)
\begin{itemize}\itemsep=0pt
\item replaces $\backslash$n, $\backslash$r, $\backslash$t by respective characters (according to C syntax)