[Tex/LaTex] Having problems with listings and UTF-8. Can it be fixed

listingsunicode

I'm having some problems with listings and UTF-8 in my document. Maybe someone can help me? Some characters work, like é and ó, but á and others appear at the beginning of words…

\documentclass[12pt,a4paper]{scrbook}
\KOMAoptions{twoside=false,open=any,chapterprefix=on,parskip=full,fontsize=14pt}

\usepackage[portuguese]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{listingsutf8}

\usepackage{inconsolata}
\lstset{
    language=bash, %% Troque para PHP, C, Java, etc... bash é o padrão
    basicstyle=\ttfamily\small,
    numberstyle=\footnotesize,
    numbers=left,
    backgroundcolor=\color{gray!10},
    frame=single,
    tabsize=2,
    rulecolor=\color{black!30},
    title=\lstname,
    escapeinside={\%*}{*)},
    breaklines=true,
    breakatwhitespace=true,
    framextopmargin=2pt,
    framexbottommargin=2pt,
    extendedchars=false,
    inputencoding=utf8
}

\begin{document}
\begin{lstlisting}
<?php

echo 'Olá mundo!';
print 'Olá mundo!';
\end{lstlisting}

\end{document}
\end{lstlisting}

Best Answer

One way to get around this limitation of listings is to use the option extendedchars=true and then to use the literate option for each accents you're going to be using (it's a bit tedious to do, but once you've done all the accents of your language, you never have to worry about them again). The syntax is

literate={á}{{\'a}}1 {ã}{{\~a}}1 {é}{{\'e}}1

For each accent you must put the real character inside braces (e.g. {á}) then you put what you want this character to be inside double braces (e.g. {{\'a}}) and finally you put the number one (1); between two entries, you can put a space for clarity.

Here's your example modified to use this:

\documentclass[12pt,a4paper]{scrbook}
\KOMAoptions{twoside=false,open=any,chapterprefix=on,parskip=full,fontsize=14pt}

\usepackage[portuguese]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{listings}
\usepackage{xcolor}

\usepackage{inconsolata}
\lstset{
    language=bash, %% Troque para PHP, C, Java, etc... bash é o padrão
    basicstyle=\ttfamily\small,
    numberstyle=\footnotesize,
    numbers=left,
    backgroundcolor=\color{gray!10},
    frame=single,
    tabsize=2,
    rulecolor=\color{black!30},
    title=\lstname,
    escapeinside={\%*}{*)},
    breaklines=true,
    breakatwhitespace=true,
    framextopmargin=2pt,
    framexbottommargin=2pt,
    inputencoding=utf8,
    extendedchars=true,
    literate={á}{{\'a}}1 {ã}{{\~a}}1 {é}{{\'e}}1,
}

\begin{document}

\begin{lstlisting}
<?php

echo 'Olá mundo!';
print 'áãé';
\end{lstlisting}

\end{document}
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