[Octave-bug-tracker] [bug #40423] crash after "Can't open display:" message

[Michael Godfrey]

Follow-up Comment #15, bug #40423 (project octave):

Well, here is another experiment:
[pbdsl3:octave] ./run-octave --no-gui --no-init-file -q
octave-gui:1> available_graphics_toolkits()
ans = 
{
  [1,1] = gnuplot
}
octave-gui:2> plot(1:100)
+------------------------------------------------------------------------------------------------------------+
|                                                                             
                              |
|100
++------------------+-------------------+--------------------+-------------------+------------------++
 |
|   
+---------------------------------------------------------------------------------------------------++
 |
|    |                                                                        
                   +++    ||  |
|    |                                                                        
               ++++       ||  |
|    |                                                                        
            +++           ||  |
|   

This has gone to gnuplot in "printer" mode.  Is this
what you expected?  If so, the remaining problem
is 

graphics_toolkit('fltk')
octave-gui:3> available_graphics_toolkits()
ans = 
{
  [1,1] = gnuplot
}
octave-gui:4> plot(1:100)
Can't open display: 
[pbdsl3:octave]
=================
i.e. the graphics_toolkit('fltk')
does something that leads to exit();

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