message: Use the NCMesh copy constructor in the Mesh copy constructor.
diff: @@ -2346,10 +2346,8 @@ Mesh::Mesh(const Mesh &mesh, bool copy_nodes)
  "copying NURBS meshes is not implemented");
  NURBSext = NULL;
  - // No support for non-conforming meshes, yet. Need deep copy for NCMesh.
  - MFEM_VERIFY(mesh.ncmesh == NULL,
  - "copying non-conforming meshes is not implemented");
  - ncmesh = NULL;
  + // Deep copy the NCMesh.
  + ncmesh = mesh.ncmesh ? new NCMesh(*mesh.ncmesh) : NULL;
  // Duplicate the Nodes, including the FiniteElementCollection and the
  // FiniteElementSpace
  