[MacPorts] #36526: docbook-xml-5.0 deactivate errors

[MacPorts]

#36526: docbook-xml-5.0 deactivate errors
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  Reporter:  snc@…            |      Owner:  lockhart@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.1.99
Resolution:                   |   Keywords:
      Port:  docbook-xml-5.0  |
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Comment (by snc@…):

 I suspect checking that the file exists first is the easiest way to wrap
 your command. I'd use Tcl's commands to check this, and maybe if you need
 to wrapping it with a catch.

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Ticket URL: <https://trac.macports.org/ticket/36526#comment:2>
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