From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Thu, 4 Sep 2003 16:46:46 +0000 (+0000)
Subject: - added a destroy callback
X-Git-Tag: v0_0_1~42
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=22bb9330d93cdf89baa5df76df6db72709a4d6fb;hp=22bb9330d93cdf89baa5df76df6db72709a4d6fb;p=helm.git

- added a destroy callback
- ignore delete events on hbugs window
- unsubscribe only when hbugs window gets _destroyed_
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