comparison org/vision.org @ 383:31814b600935

add explination.
author Robert McIntyre <rlm@mit.edu>
date Tue, 16 Apr 2013 13:59:06 +0000
parents 5405f369f4a0
children 3401053124b0
comparison
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382:9b3487a515a7 383:31814b600935