[tor-bugs] #26538 [Core Tor/Tor]: Extract various string, encoding, and formatting logic from config

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#26538: Extract various string, encoding, and formatting logic from config
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     Reporter:  nickm         |      Owner:  nickm
         Type:  defect        |     Status:  assigned
     Priority:  Medium        |  Milestone:  Tor: 0.3.5.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:  #26481
       Points:                |   Reviewer:
      Sponsor:                |
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 See branch `format_refactor`, with PR at
 https://github.com/torproject/tor/pull/190

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26538>
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