% URL settings
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\urlstyle{rm}
-\newcommand{\centerurl}[1]{\begin{center}\url{#1}\end{center}}
+\urlstyle{tt}
% listings package
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%begin{latexonly}
\newcommand{\key}[1]{\mbox{\textbf{#1}}}
\newcommand{\code}[1]{\lstinline!#1!}
+\newcommand{\codestr}[1]{`\texttt{#1}'}
\newcommand{\var}[1]{\lstinline!#1!}
\newcommand{\command}[1]{\lstinline!#1!}
\newcommand{\key}[1]{\textbf{#1}}
\newcommand{\code}[1]{\texttt{#1}}
+\newcommand{\codestr}[1]{`\texttt{#1}'}
\newcommand{\var}[1]{\texttt{#1}}
\newcommand{\command}[1]{\texttt{#1}}