\usepackage{color}

\newcommand{\alert}[1]{{\color[cmyk]{0,0.61,0.87,0}#1}}

\newcommand{\unknownmark}[0]{}

\newcommand{\orange}[1]{{\small\alert{\unknownmark #1 \unknownmark}}}

\newcommand{\disregard}[1]{}

% From Ben Liblit
