[MacPorts] #53095: gnuplot at 5.0.5 on macOS 10.12.1 doesn't show a wxt terminal persistently

[MacPorts]

#53095: gnuplot at 5.0.5 on macOS 10.12.1 doesn't show a wxt terminal persistently
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 Reporter:  twanvanderschoot  |      Owner:
     Type:  defect            |     Status:  new
 Priority:  Normal            |  Milestone:
Component:  ports             |    Version:
 Keywords:  wxt               |       Port:  gnuplot
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 The summary says it all ;-)

 When trying to use a wxt terminal in gnuplot script, running it with
 gnuplot opens a window, just long enough to show it did plot the graph,
 but then, about as quickly it opened, the window closes and disappears.

   set terminal wxt persist

 doesn't work, neither using persist on the command line

 FYI: aqua and x11 terminals do work as to be expected with persist

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Ticket URL: <https://trac.macports.org/ticket/53095>
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