Balazs Dezso <deba@inf.elte.hu> [Sun, 21 Dec 2008 00:15:08 +0100] rev 352
Merge bugix #197
Balazs Dezso <deba@inf.elte.hu> [Sun, 21 Dec 2008 00:13:02 +0100] rev 351
Bug fix in heap unionfind (ticket #197)
The minimum item in the unionfind tree might become inconsistent when
the split operation merges two subtrees which have equal keys. The
current changeset fix the problem. It also fix a wrong index.