Struct Dune::GmshReaderOptions: The class is deprecated, because it looks like it should be used in the GmshReader implementation, but it is not actually used anywhere.
Struct Dune::GmshReaderParser< GridType >: The name GmshReaderParser remains for backward compatibility, and will be removed eventually.
Member Dune::VTKWriter< GridView >::addCellData (F &&f, VTK::FieldInfo vtkFieldInfo): f may also be a VTKFunction object, but you are strongly discouraged from using VTKFunctions.
Member Dune::VTKWriter< GridView >::addVertexData (F &&f, VTK::FieldInfo vtkFieldInfo): f may also be a VTKFunction object, but you are strongly discouraged from using VTKFunctions.