[tor-bugs] #19554 [Core Tor/Tor]: Require libevent >= 2

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#19554: Require libevent >= 2
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 Reporter:  Sebastian     |          Owner:
     Type:  defect        |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by Sebastian):

 Thanks you for the review, nice catches! I have followed all the
 suggestions except the function aliases one. I intentionally did not do
 that because I'm not sure that'd be appreciated due to touching many
 places in the code. If we want to do that I'll happily add it in

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19554#comment:5>
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