[tor-bugs] #32295 [Core Tor/Tor]: "Skipping obsolete configuration option." doesn't say which one

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#32295: "Skipping obsolete configuration option." doesn't say which one
-------------------------------------------------+-------------------------
 Reporter:  arma                                 |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  assigned
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.2.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.4.2.1-alpha
 Severity:  Normal                               |     Resolution:
 Keywords:  network-team-roadmap-november,       |  Actual Points:
  042-backport                                   |
Parent ID:  #29211                               |         Points:  0.5
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor31-must
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Comment (by nickm):

 My suggestion would be to change how OBSOLETE is implemented: it doesn't
 really make sense as a type. Instead, there should be an "empty" type for
 fields that can't be read or written, and a CFLG_OBSOLETE flag that causes
 these warnings.  The CFLG_OBSOLETE flag should be handled at the confvar
 layer, I think.

 This makes more sense for 0.4.3 than 0.4.2, though.  Personally I think it
 would almost be okay to leave this as-is in 0.4.2, since we haven't made
 any options obsolete that weren't obsolete before.  But if we think we
 really need a temporary fix there, we could pass the name down to the
 typedvar layer in any kludgey way we want.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32295#comment:4>
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