plotyy fails with current graphicshandle nonempty, but having no children

[John W. Eaton]

On 18-Nov-2008, Emil Karlson wrote:

| To: bug at octave.org
| Cc: jkarlson at cc.hut.fi
| Subject: plotyy fails with current graphicshandle nonempty, but having no children
| 
| Bug report for Octave 3.0.3 configured for x86_64-pc-linux-gnu
| 
| Description:
| -----------
| 
| a=1:7; hold on; plotyy(a,a,a,a)
| 
| fails
| 
| octave:1> a=1:7; hold on; plotyy(a,a,a,a)
| error: invalid matrix index = 2
| error: evaluating assignment expression near line 83, column 10
| error: evaluating if command near line 75, column 5
| error: evaluating if command near line 59, column 3
| error: called from `plotyy' in file `/usr/share/octave/3.0.3/m/plot/plotyy.m'
| 
| Also most use cases of figure fail yyplot.
| 
| Fix:
| ---
| This at least fixes the problem for me.

I can't duplicate this problem with the current sources, so I think
it has been fixed.

Thanks,

jwe