anchor.diff:      ref_add(?ERROR_LIST, ErrorList),
       %% Setup sizers.
       ErrorSizer = wxStaticBoxSizer:new(ErrorBox, ?wxVERTICAL),
  -    wxSizer:add(ErrorSizer, ErrorList,
  -		[{proportion, 1},
  -		 {flag, ?wxEXPAND bor ?wxALL},
  -		 {border, 10}]),
  -   %% Add padding to the whole sizer.
  +    _ = wxSizer:add(ErrorSizer, ErrorList,
  +		    [{proportion, 1}, {flag, ?wxEXPAND bor ?wxALL},
  +		     {border, 10}]),
  +    %% Add padding to the whole sizer.
       ErrorSizerOuter = wxBoxSizer:new(?wxVERTICAL),
  -    wxSizer:add(ErrorSizerOuter, ErrorSizer,
  -		[{proportion, 1}, {flag, ?wxEXPAND bor ?wxRIGHT},
  -		 {border, 5}]),
  +    _ = wxSizer:add(ErrorSizerOuter, ErrorSizer,
  +		    [{proportion, 1}, {flag, ?wxEXPAND bor ?wxRIGHT},
  +		     {border, 5}]),
       ErrorSizerOuter.
   
   setupIleaveListSizer(Parent) ->
  
positive.code:     wxSplitterWindow:splitHorizontally(Splitter, TopPanel, BottomPanel),
      %% Add padding to the whole sizer.
      RightColumnSizerOuter = wxBoxSizer:new(?wxVERTICAL),
      wxSizer:add(RightColumnSizerOuter, Splitter,
  		[{proportion, 1}, {flag, ?wxEXPAND bor ?wxALL}, {border, 10}]),
      RightColumnSizerOuter.
  
  %% Setup main notebook, containing 3 tabs:
  
negative.code: %    wxIconBundle:addIcon(Icons, wxIcon:new(?ICON_PATH64)),
  %    wxFrame:setIcons(Frame, Icons),
      wxFrame:setMenuBar(Frame, MenuBar),
      _ = wxFrame:createStatusBar(Frame, [{id, ?STATUS_BAR}]),
      wxEvtHandler:connect(Frame, close_window),
      wxEvtHandler:connect(Frame, command_menu_selected),
      wxEvtHandler:connect(Frame, command_button_clicked),
  