[wp-trac] [WordPress Trac] #34049: Emoji detection is broken on FF41, OS X 10.10

[WordPress Trac]

#34049: Emoji detection is broken on FF41, OS X 10.10
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 Reporter:  rmccue        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by rmccue):

 Replying to [comment:6 azaozz]:
 > - Check the spans widths. If equal, there's no emoji support.

 I think this breaks in Chrome with `font-weight: 600`. Chrome has the
 correct width for the element, but doesn't actually draw the glyphs.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34049#comment:7>
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