This directory contains the macros we use to generate diagrams for Clickpapers, and some example diagrams (in the samp*.mp files).You will need John Hobby's MetaPost, which is available from	http://cm.bell-labs.com/who/hobby/MetaPost.htmlor in most Unix TeX distributions.Eddie Kohler wrote the macros and most of the diagrams in 1999-2000, withmany updates since.