[MacPorts] #62792: legacy-support: rename identifiers that start with underscore

[MacPorts]

#62792: legacy-support: rename identifiers that start with underscore
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  Reporter:  ryandesign      |      Owner:  cjones051073
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.6.4
Resolution:                  |   Keywords:
      Port:  legacy-support  |
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Comment (by cjones051073):

 We also went out of our way to make them long winded names such that I
 really doubt there is ever going to be a class.

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Ticket URL: <https://trac.macports.org/ticket/62792#comment:2>
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