Start
  s_0
    g_0
      '*'@(1:1-1:2)
      d
        g_1
          'id'@(1:2-1:4)
    '='@(1:4-1:5)
    d
      g_0
        '*'@(1:5-1:6)
        d
          g_1
            'id'@(1:6-1:8)
  Eof@(1:8-1:8)=''