plot3 produces error for a valid set of properties

[John W. Eaton]

On 16-Jun-2009, Alexander Mamonov wrote:

| After playing around with plot3.m a little bit, I figured out that the
| attached patch may solve the problem. I tested it with several scripts
| and it doesn't seem to break anything. Can anyone familiar with Octave
| plotting take a look at it, and if it it's OK, apply the patch to
| 3.2.x branch.

It looks correct to me.  I committed a changeset attributed to you.
Jaroslav, this should probably be applied to the 3.2.x branch.

  http://hg.savannah.gnu.org/hgweb/octave/rev/5497b0795fb9

Thanks,

jwe