[MacPorts] #42078: Upgrade ess to 13.09-1

[MacPorts]

#42078: Upgrade ess to 13.09-1
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  Reporter:  cubranic@…  |      Owner:  jrblevin@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  ess         |
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Comment (by cubranic@…):

 I created it with `git diff`. It provides the three-line context so it's
 virtually identical to running `diff -u`.

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Ticket URL: <https://trac.macports.org/ticket/42078#comment:4>
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