Hello again, I am sorry to have bothered you, I have already solved it. It was just that I had missed the coma (,) after stringstyle in the preamble.
Yours faithfully, Francesc Gispert El mié, 07-12-2011 a las 23:25 +0100, Francesc Gispert Sanchez escribió: > Dear Sirs and Madams, > > I need to include some Python code in my work, so I decided to use the > listings package. But I have come across a problem I do not know how to > solve: when I export my document to a PDF with pdflatex, the double > quotation marks do not look as expected: it appears something like > 'extendedchars"extendedchars' (without the single quotation marks). > > In the preamble I have this: > \usepackage{listings} > \usepackage{color} > \lstset{ > frame=single, > basicstyle=\scriptsize\ttfamily, > numbers=left, > numberstyle=\tiny, > stepnumber=1, > numbersep=5pt, > keywordstyle=\bfseries\color[rgb]{0,0,1}, > commentstyle=\color[rgb]{0.6,0.6,0.6}, > stringstyle=\color[rgb]{0.627,0.126,0.941} > extendedchars=true, > showspaces=false, > showtabs=false, > breaklines=true, > columns=fixed > } > > I have already tried setting extendedchars to false, but then the double > quotation marks look like this: 'showspaces"showspaces' (again, without > the single quotation marks). > > By the way, I am using LyX 2.0.1 (installed from the Debian Wheezy > repositories). > > I am looking forward to hearing from you. > > Yours faithfully, > > Francesc Gispert > >