[MacPorts] #53404: `port upgrade outdated` changes colours in terminal emulation

[MacPorts]

#53404: `port upgrade outdated` changes colours in terminal emulation
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  Reporter:  ballapete  |      Owner:
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  macOS Sierra, GNU Emacs,
      Port:  port       |
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Changes (by ballapete):

 * Attachment "red hering, no – terminal!.png" added.

 Screenshot showing the effects of red colour plus list of active modes in
 GNU Emacs shell buffer

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Ticket URL: <https://trac.macports.org/ticket/53404>
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