deletions | additions       diff --git a/preamble.tex b/preamble.tex  index 98415ea..a6943d2 100644  --- a/preamble.tex  +++ b/preamble.tex 
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\usepackage{color}  \usepackage{url}  \bibliographystyle{plain} \newcommand*{\catme}{\href{http://www.catme.org}{CATME}}