[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 cypherpunks):

 It doesn't work on the high security level because it blocks custom fonts
 (which Font Awesome is). Similarly the graphs are blocked because they use
 SVG which is also disabled on the high security level. Instead it shows
 the `No data available` image which is incorrect in that case but that's
 something for another ticket.

 The symbols turn into tofu which isn't a problem on the details page
 because each icon has a label next to it. However, in the search results
 there are no labels so there's only tofu. 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.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19538#comment:7>
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