[tor-bugs] #18172 [Tor Browser]: Emoji support is broken in Tor Browser 5.5

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#18172: Emoji support is broken in Tor Browser 5.5
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 Reporter:  gk                                   |          Owner:  tbb-
     Type:  defect                               |  team
 Priority:  Medium                               |         Status:
Component:  Tor Browser                          |  needs_revision
 Severity:  Normal                               |      Milestone:
 Keywords:  tbb-fingerprinting-fonts, tbb-       |        Version:
  usability-website, TorBrowserTeam201601R       |     Resolution:
Parent ID:  #18097                               |  Actual Points:
  Sponsor:                                       |         Points:
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Comment (by arthuredelstein):

 Replying to [comment:4 gk]:
 > Replying to [comment:2 arthuredelstein]:
 > > So it looks like we need to fix Mac and Windows, but Linux is OK.
 >
 > That's actually not true. Surprisingly I have at least one Linux box
 where emoticons are broken. Is is running Debian testing. That said I
 realized that it can be a bit hard to see this if one is upgrading from
 5.0.7 as it seems to work then but after shutting the browser down and
 restarting it no emoticons are shown.  (This reminded me at one of the
 failure modes of our start script. :/)

 You're right, this happened to me. Once I shutdown the browser and started
 it again, the Emojis were no longer available.

 So here's a patch for Linux:

 https://github.com/arthuredelstein/tor-browser-bundle/commit/18172

 I built this version and confirmed that the Emojis are displayed, using
 the "Noto Emoji" font.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18172#comment:6>
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