alpar [Wed, 15 Jun 2005 10:19:44 +0000] rev 15
gcc-4.0 compatibility changes
coloring.cc still generates warnings. Don't know why.
hegyi [Tue, 14 Jun 2005 16:56:37 +0000] rev 14
Sorry, the previous commit was uncorrect. Erasing is now possible on edges, but on nodes not.