[tbb-bugs] #26498 [Applications/Tor Browser]: Fix bn-BD and es-AR locale for Tor Browser

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#26498: Fix bn-BD and es-AR locale for Tor Browser
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 Reporter:  arthuredelstein           |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_revision
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by arthuredelstein):

 Replying to [comment:4 gk]:

 > The `bn-BD` bundle seems to be missing a font or something as the title
 bar is just gibberish on Linux (see attachment).

 Tor Browser does bundle Noto Sans Bengali, and is correctly rendering the
 bn-BD text in the rest of that window. The problem seems to be that GTK
 uses system fonts in the title bar but doesn't use our bundled fonts. So
 if a Bengali font is not installed on the system, then unicode tofu is
 displayed. (FWIW, I also see this on my Linux system with the zh-CN Tor
 Browser, because I don't have a Chinese font installed.)

 To fix this in general we will need to investigate if it's possible to add
 the fonts bundled in Tor Browser to the GTK font search path.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26498#comment:6>
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