[wp-trac] [WordPress Trac] #41770: WP-Emoji Breaks Firefox

[WordPress Trac]

#41770: WP-Emoji Breaks Firefox
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 Reporter:  insanityradio  |      Owner:
     Type:  defect (bug)   |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  Emoji          |    Version:
 Severity:  normal         |   Keywords:
  Focuses:                 |
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 WP-Emoji seems to be causing Firefox to render a significant amount of
 white-space when using complex CSS (combined sticky positioning,
 flexboxes, and grids).

 Steps to reproduce:
 1. Visit http://dev.index.hm/ffbug/dump.html
 2. Scroll to "Read More" section, and refresh page/trigger an arbitrary
 DOM event.

 What happens:
 * Random white-space appears that pushes the "Read More" title down to the
 bottom of the page

 What should happen:
 * Like on WebKit browsers, there should be no arbitrary amount of white
 space.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41770>
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