[tor-bugs] #11565 [Tor]: Make it clear if circ_id for create cell can be zero with non zero MSB

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#11565: Make it clear if circ_id for create cell can be zero with non zero MSB
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     Reporter:  cypherpunks  |      Owner:
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:  Tor: 0.2.5.x-final
    Component:  Tor          |    Version:
   Resolution:               |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by nickm):

 The current spec says that 0 is reserved, and makes no mention of anything
 else; I'm going to say that 0 is the only reserved value, and it's
 reserved because we need a circID that means "no circuit".

 Addressed in 78de0f958204b463e6dbf64831d925a21c4350cf.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11565#comment:2>
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