Configure the latex lstlistings package for extended char support (as well as automatic wrapping and monofont)
%% Use this configuration of lstlistings to support extended characters (i.e. acctents) and automatic line wrapping.
\usepackage{listings}
\usepackage{listingsutf8}
\usepackage{inconsolata} % nicer font
\lstset{basicstyle=\footnotesize\ttfamily,breaklines=true} % set default font and line breaks
\lstset{% support extended characters
inputencoding=utf8,
extendedchars=true,
literate=%
{é}{{\'{e}}}1
{è}{{\`{e}}}1
{ê}{{\^{e}}}1
{ë}{{\¨{e}}}1
{É}{{\'{E}}}1
{Ê}{{\^{E}}}1
{û}{{\^{u}}}1
{ù}{{\`{u}}}1
{â}{{\^{a}}}1
{à}{{\`{a}}}1
{á}{{\'{a}}}1
{ã}{{\~{a}}}1
{Á}{{\'{A}}}1
{Â}{{\^{A}}}1
{Ã}{{\~{A}}}1
{ç}{{\c{c}}}1
{Ç}{{\c{C}}}1
{õ}{{\~{o}}}1
{ó}{{\'{o}}}1
{ô}{{\^{o}}}1
{Õ}{{\~{O}}}1
{Ó}{{\'{O}}}1
{Ô}{{\^{O}}}1
{î}{{\^{i}}}1
{Î}{{\^{I}}}1
{í}{{\'{i}}}1
{Í}{{\~{Í}}}1
}