anchor.diff:    if Channel = '' then
   	  Exit;
   
  -  FIRC.JoinChannel(Channel);
  +  FIRC.Join(Channel);
   end;
   
   procedure TMainForm.EditFilterKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
  
positive.code: procedure TMainForm.SetFocusEditInput;
  begin
    if EditInput.CanFocus then
       EditInput.SetFocus;
  end;
  
  procedure TMainForm.WmAfterShow(var Msg: TLMessage);
  
negative.code:      Exit;
  
    if IsActiveTabChannel then
      FIRC.Part(PageControl.ActivePage.Caption)
    else
      GetTabByName(PageControl.ActivePage.Caption).Free;
  end;
  