[tor-bugs] #19538 [Metrics/Atlas]: Replace raster glyphicons with vector icons for flags

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#19538: Replace raster glyphicons with vector icons for flags
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 Reporter:  twim           |          Owner:  phw
     Type:  enhancement    |         Status:  needs_information
 Priority:  Medium         |      Milestone:
Component:  Metrics/Atlas  |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:                 |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
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Comment (by teor):

 Replying to [comment:7 cypherpunks]:
 > ...
 > One solution would be to test whether custom fonts and SVG is supported
 and use suitable replacements. This would also help #13354 because the
 proposed country flags also use SVG.

 In Tor Browser, some ways of checking if characters render display a popup
 dialog about allowing HTML canvas access. Let's not trigger a dialog like
 that if we can avoid it.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19538#comment:8>
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