[tor-bugs] #10189 [TorBrowserButton]: Torbutton's "Test Settings" fails with "No TorCheckResult id found (response not valid XHTML)"

[Tor Bug Tracker & Wiki]

#10189: Torbutton's "Test Settings" fails with "No TorCheckResult id found
(response not valid XHTML)"
----------------------------------+-----------------------
     Reporter:  arma              |      Owner:  mikeperry
         Type:  defect            |     Status:  new
     Priority:  normal            |  Milestone:
    Component:  TorBrowserButton  |    Version:
   Resolution:                    |   Keywords:  tbb-3.0
Actual Points:                    |  Parent ID:
       Points:                    |
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Comment (by poncho):

 This issue breaks the about:tor page in case the control port is missing.

 I've tried to use torbrowser 3.0rc1 with the system wide installed tor
 (and therefore with the tor-launcher extension disabled)

 Everything works fine although the about:tor page reports that tor isn't
 working (in fact, it is working...)

 This is because torbutton uses
 https://check.torproject.org/?TorButton=true as a fallback if the control
 port is missing.
 https://gitweb.torproject.org/torbutton.git/commit/c48bf013150c6a5cd0bfc17cf219615824208f44

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10189#comment:3>
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