[tbb-bugs] #22396 [Applications/Tor Browser]: What does "never for this site" for the canvas warning really mean?

[Tor Bug Tracker & Wiki]

#22396: What does "never for this site" for the canvas warning really mean?
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 Reporter:  arma                      |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  ux-team                   |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by cypherpunks):

 Remove the f*cking popup without questions! :)
 You don't ask about disabling your other security/privacy/etc protections.
 Why is this a special case?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22396#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online