[tor-bugs] #19820 [Core Tor/Tor]: Add deprecation facility, and deprecate some old options

[Tor Bug Tracker & Wiki]

#19820: Add deprecation facility, and deprecate some old options
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 Reporter:  nickm                              |          Owner:  nickm
     Type:  defect                             |         Status:
                                               |  needs_review
 Priority:  Medium                             |      Milestone:  Tor:
                                               |  0.2.9.x-final
Component:  Core Tor/Tor                       |        Version:
 Severity:  Normal                             |     Resolution:
 Keywords:  TorCoreTeam201608, review-group-7  |  Actual Points:  .5
Parent ID:                                     |         Points:  1
 Reviewer:                                     |        Sponsor:
-----------------------------------------------+---------------------------
Changes (by nickm):

 * parent:  #18857 =>


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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19820#comment:7>
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