[MacPorts] #48618: Wiki WebPage on "How to install an older version of a port" are slightly wrong or incomplete.

[MacPorts]

#48618: Wiki WebPage on "How to install an older version of a port" are slightly
wrong or incomplete.
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 Reporter:  peshola@…  |      Owner:  macports-tickets@…
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.3.3
 Keywords:             |       Port:
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 URL is https://trac.macports.org/wiki/howto/InstallingOlderPort

 The instructions don't work quite right.  sudo port install works quite
 fine with the Portfile for boost 1.58.

 However, the syntax sudo port install -no_single  doesn't work. The
 instructions are not quite useful if I'm stuck with the default option of
 +no_single.  I'm trying to install boost 1.58, because boost 1.59 doesn't
 work right.

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Ticket URL: <https://trac.macports.org/ticket/48618>
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