Sébastien Loriot 53164edc5a a vertex of degree less than 3 is on the boundary ... collapsing an edge incident to it should be controlled only by the constrained status of the vertices		2018-05-29 15:59:10 +02:00
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CGAL	a vertex of degree less than 3 is on the boundary	2018-05-29 15:59:10 +02:00