[MacPorts] #50023: Clarification of variant specifiers in section 3.1.10 of guide

[MacPorts]

#50023: Clarification of variant specifiers in section 3.1.10 of guide
------------------------+---------------------
 Reporter:  alexreg@…   |      Owner:  markd@…
     Type:  submission  |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  guide       |    Version:  2.3.4
 Keywords:              |       Port:
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 The following patch clarifies a paragraph describing the output of the
 `port variants` command.

 {{{
 456,457c456,458
 <                 with other variants, a line with the details on that
 follows. Variant lines that have a
 <                 <option>+</option> are enabled and those with
 <option>-</option> are disabled.
 ---
 >                 with other variants, a line detailing that follows.
 Variant lines that have a <option>+</option> are
 >                               enabled by default; such variants can be
 explicitly disabled on the command line by prefixing their
 >                               names with <option>-</option>.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/50023>
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