[MacPorts] #42739: zenity on Maverics errors with GTK-warning cannot open display

[MacPorts]

#42739: zenity on Maverics errors with GTK-warning cannot open display
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  Reporter:  john@…  |      Owner:  macports-tickets@…
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.2.1
Resolution:          |   Keywords:  mavericks
      Port:  zenity  |
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Comment (by ryandesign@…):

 Run `echo $DISPLAY` to see what your DISPLAY variable is set to. If the
 value does not include the string "org.macports", then install the xinit
 port, and follow the instructions it prints after installation.

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Ticket URL: <https://trac.macports.org/ticket/42739#comment:3>
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