[tor-bugs] #26409 [Applications/Tor Browser]: Language prompt is shown twice at first start in Tor Browser based on ESR60

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#26409: Language prompt is shown twice at first start in Tor Browser based on ESR60
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff60-esr, tbb-torbutton,             |  Actual Points:
  TorBrowserTeam201806, AffectsTails             |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Changes (by intrigeri):

 * cc: intrigeri (added)
 * keywords:  ff60-esr, tbb-torbutton, TorBrowserTeam201806 => ff60-esr,
     tbb-torbutton, TorBrowserTeam201806, AffectsTails


Comment:

 This particularly affects Tails users who will see this every time they
 start Tor Browser in Tails. Besides, previously we could set
 `extensions.torbutton.prompted_language` to true and hide the prompt, but
 that does not work anymore (tried patching `defaults/preferences/000-tor-
 browser.js` in `browser/omni.ja`, `prefs.js` and `user.js` in the profile
 directory). Thankfully, by setting `privacy.spoof_english` to 2, at least
 we have only one prompt, but we ideally we want zero in Tails :)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26409#comment:2>
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