[tor-bugs] #3944 [Tor bundles/installation]: TBB prefs are set as user_prefs (may cause exceptions/settings errors?)

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#3944: TBB prefs are set as user_prefs (may cause exceptions/settings errors?)
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 Reporter:  mikeperry                 |          Owner:  erinn                        
     Type:  defect                    |         Status:  new                          
 Priority:  major                     |      Milestone:  TorBrowserBundle 2.3.x-stable
Component:  Tor bundles/installation  |        Version:                               
 Keywords:                            |         Parent:                               
   Points:                            |   Actualpoints:                               
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Comment(by mikeperry):

 Note: In more than a couple places in torbutton (as well as the Firefox-
 close patch), I do things like:

 if (this.prefs.prefHasUserValue("torbrowser.version"))

 These checks will all need to be updated when we do this switch, because
 the switch will cause our pref settings to stop being "user values". If
 anyone decides to work on this bug, please don't forget to ping me when
 you start, so I can update the Torbutton checks before we deploy this.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3944#comment:7>
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