[MacPorts] #53509: New error in gnuplot after upgrade of MacPorts

[MacPorts]

#53509: New error in gnuplot after upgrade of MacPorts
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 Reporter:  JacquesLB  |      Owner:
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:
 Keywords:             |       Port:
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 MacPorts install of gnuplot used to work without a glitch.

 After an upgrade of MacPorts itself last week (to 2.4.0), an error
 appeared. See the bug report here:

 https://sourceforge.net/p/gnuplot/bugs/1904/

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Ticket URL: <https://trac.macports.org/ticket/53509>
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