Octave 3.2.0: possible bug in "exist"

[John W. Eaton]

On  7-Jun-2009, Massimiliano Culpo wrote:

| I am not sure that what I am reporting below is actually a bug, though
| the behavior changed from version 3.0.X.
| 
| It seems that function handles are not considered as variables in the
| newer version of octave when the function "exist" is called:
| 
| octave:1> version
| ans = 3.2.0
| octave:2> A = @(x) sin(x);
| octave:3> exist("A")
| ans = 0
| 
| octave:1> version
| ans = 3.0.3
| octave:2> A = @(x) sin(x);
| octave:3> exist("A")
| ans =  1
| 
| In the help of "exist" the case of a function handle is not  mentioned,
| so I don't really know which one of the two is the expected behavior.

I checked in the following change.

  http://hg.savannah.gnu.org/hgweb/octave/rev/1a1c839625b3

Jaroslav, this change should also be applied to the 3.2.x branch.

Thanks,

jwe