[MacPorts] #37164: docbook-utils: "..." is not a function name

[MacPorts]

#37164: docbook-utils: "..." is not a function name
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  Reporter:  ryandesign@…   |      Owner:  lockhart@…
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.1.2
Resolution:                 |   Keywords:
      Port:  docbook-utils  |
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Comment (by david@…):

 Fresh install of docbook-utils throws same error for me.

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Ticket URL: <https://trac.macports.org/ticket/37164#comment:4>
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