From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Mon, 24 Jul 2006 14:28:13 +0000 (+0000)
Subject: use the new graphviz pretty printer API
X-Git-Tag: make_still_working~7014
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=5c21228da6a5c6e09789788ae82b3c3317cd6149;hp=5c21228da6a5c6e09789788ae82b3c3317cd6149;p=helm.git

use the new graphviz pretty printer API
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