[tor-bugs] #18938 [Core Tor/Tor]: Authorities should reject non-ASCII content in ExtraInfo descriptors

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#18938: Authorities should reject non-ASCII content in ExtraInfo descriptors
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 Reporter:  teor                  |          Owner:
     Type:  defect                |         Status:  new
 Priority:  Medium                |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor          |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  needs-proposal-maybe  |  Actual Points:
Parent ID:  #18656                |         Points:  1
 Reviewer:                        |        Sponsor:
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Comment (by cypherpunks):

 As one of the people with non-ascii ContactInfo, I strongly advise against
 making that config ascii-only. It might not be obvious to english-native
 speakers, but in countries with non-ascii characters in their language the
 introduction of IDN and non-ascii mail addresses was a major advance;
 restricting this would be a step backward, which will probably need to be
 corrected again in the future when non-ascii mail addresses become more
 ubiquitous.

 I would prefer for all UTF-8 chars to be usable in the ContactInfo, which
 also allows to not have to transliterate your name into ascii.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18938#comment:16>
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