message: ex6: changed 'it' to start from 1, for consistency with ex6p.
diff: @@ -161,7 +161,7 @@ int main(int argc, char *argv[])
  // 12. The main AMR loop. In each iteration we solve the problem on the
  // current mesh, visualize the solution, and refine the mesh.
  const int max_dofs = 50000;
  - for (int it = 0; ; it++)
  + for (int it = 1; ; it++)
  {
  int cdofs = fespace.GetTrueVSize();
  cout << "\nAMR iteration " << it << endl;
  