\usepackage{blindtext}

% TODO Comments
% \newcommand{\todo}[1]{\textcolor{orange}{\emph{TODO}: #1}}
\newcommand{\upd}[1]{{\leavevmode\color{purple}[#1]}}
\newcommand{\robert}[1]{{\leavevmode\color{red}[#1]}}
\newcommand{\tristan}[1]{{\leavevmode\color{green}[#1]}}
