bug in 3.0.0 Gnu Octave

[John W. Eaton]

On 25-Nov-2008, Michael Goffioul wrote:

| I think the bug is in gnuplot: when a line segment has no end point
| in the current axis limits, gnuplot seems to drop it.

Right, you can duplicate that problem with something as simple as

  line ();
  axis ([0.25, 0.75, -2, 2]);

in Octave, or

  set xrange [0.25:0.5]
  set yrange [-2:2]
  plot '-' with lines
  0, 0
  1, 1
  e

directly in gnuplot

jwe