message: Correcting comments for clarity
diff: @@ -1324,7 +1324,8 @@ void Mesh::ReadGmshMesh(std::istream &input, int &curved, int &read_gf)
  // Convert nodes to discontinuous GridFunction
  this->SetCurvature(1, true, Dim, Ordering::byVDIM);
  - // Renumber elements to remove slave vertices
  + // Replace "slave" vertex indices in the element connectivity
  + // with their corresponding "master" vertex indices.
  for (int i = 0; i < this->GetNE(); i++)
  {
  Element *el = this->GetElement(i);
  @@ -1335,7 +1336,8 @@ void Mesh::ReadGmshMesh(std::istream &input, int &curved, int &read_gf)
  v[j] = v2v[v[j]];
  }
  }
  - // Renumber boundary elements to remove slave vertices
  + // Replace "slave" vertex indices in the boundary element connectivity
  + // with their corresponding "master" vertex indices.
  for (int i = 0; i < this->GetNBE(); i++)
  {
  Element *el = this->GetBdrElement(i);
  