message: Allow first line of mesh file to be XML version
diff: @@ -3534,6 +3534,13 @@ void Mesh::Loader(std::istream &input, int generate_edges,
  getline(input, mesh_type);
  filter_dos(mesh_type);
  + // If first line is XML version, move on to second line
  + if (mesh_type == "<?xml version=\"1.0\"?>")
  + {
  + getline(input, mesh_type);
  + filter_dos(mesh_type);
  + }
  +
  // MFEM's conforming mesh formats
  int mfem_version = 0;
  if (mesh_type == "MFEM mesh v1.0") { mfem_version = 10; } // serial
  