[MacPorts] #45170: gtk-doc: remove source-highlight dependency or make it optional

[MacPorts]

#45170: gtk-doc: remove source-highlight dependency or make it optional
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  mascguy
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.1
Resolution:  fixed       |   Keywords:  haspatch
      Port:  gtk-doc     |
-------------------------+----------------------
Changes (by mascguy):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 Dependency `source-highlight` removed in July 2019, via the following
 commit:

 https://github.com/macports/macports-
 ports/commit/461cc48c31ad7389c2812f8aaaf8fc57b72bff6c

 Closing as fixed.

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Ticket URL: <https://trac.macports.org/ticket/45170#comment:10>
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