message: Clarifying comment in GetDivergence
diff: @@ -1377,8 +1377,10 @@ double GridFunction::GetDivergence(ElementTransformation &T) const
  break;
  case ElementTransformation::BDR_ELEMENT:
  {
  - // In order to capture the derivative of the normal component of
  - // the field we must evaluate it in the neighboring element.
  + // In order to properly capture the derivative of the normal component
  + // of the field (as well as the transverse divergence of the
  + // tangential compoents) we must evaluate it in the neighboring
  + // element.
  FaceElementTransformations * FET =
  fes->GetMesh()->GetBdrFaceTransformations(T.ElementNo);
  