[MacPorts] #43006: bind9 portfile improvements

[MacPorts]

#43006: bind9 portfile improvements
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  Reporter:  jul_bsd@…    |      Owner:  dluke@…
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.2.1
Resolution:               |   Keywords:  haspatch
      Port:  bind9        |
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Comment (by jul_bsd@…):

 * tab to whitespace seems the "norm" defined by 'port lint --nitpick'
 after, I don't mind other. depends on macport policy
 * yeah, I agree about pid, just need to check where we defined the path.
 doesn't seem to be at run (nothing in man), so maybe in config file (pid-
 file, it seems)
 * unbound is lighter and probably more secure for a default local resolver
 after, it depends on the requirements of other software... as for cif, it
 seems mostly for cache+forwarder, so probably possible with unbound

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Ticket URL: <https://trac.macports.org/ticket/43006#comment:9>
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