[MacPorts] #52761: xdelta1: mark port obsolete replaced by xdelta

[MacPorts]

#52761: xdelta1: mark port obsolete replaced by xdelta
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  Reporter:  dbevans      |      Owner:  Torsten.Maehne@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  removal
      Port:  xdelta1      |
--------------------------+------------------------------

Comment (by maehne):

 By the way, I forgot to mention that MacPorts provides a port of pristine-
 tar. I will try to find some time to upgrade it to the latest version.

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Ticket URL: <https://trac.macports.org/ticket/52761#comment:2>
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