feedgnuplot/t/timefmt-plot-with-bounds.ref

    5 ++---+---+----+---+----+---+----+---+----+---+----+---A----+---+----+---+----+---+----+--++
      +                      +                     +                      +                     +
      |                                                                                         |
      |                                                                                         |
  4.5 ++                                                                                       ++
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
    4 ++                                                A                                      ++
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
  3.5 ++                                                                                       ++
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
    3 ++                                           A                                           ++
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
  2.5 ++                                                                                       ++
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
    2 ++                                       A                                               ++
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
      |                                                                                         |
  1.5 ++                                                                                       ++
      |                                                                                         |
      |                                                                                         |
      +                      +                     +                      +                     +
    1 ++---+---+----+---+----+---+----+---A----+---+----+---+----+---+----+---+----+---+----+--++
    05:00                  05:05                 05:10                  05:15                 05:20