[wp-trac] [WordPress Trac] #37543: Update Twemoji for pirate and rainbow flags

[WordPress Trac]

#37543: Update Twemoji for pirate and rainbow flags
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 Reporter:  pento           |      Owner:
     Type:  task (blessed)  |     Status:  new
 Priority:  normal          |  Milestone:  4.6
Component:  Emoji           |    Version:
 Severity:  normal          |   Keywords:
  Focuses:                  |
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 There's a minor update to Twemoji that adds support for the pirate and
 rainbow flags.

 https://github.com/twitter/twemoji/commit/cae041df48a4365bd5d4e232af4859a2704e2dd9

 The rainbow flag in an [http://www.unicode.org/L2/L2016/16183-rainbow-
 flag.pdf officially documented] ZJW sequence, and can be implemented
 immediately, despite not being part of Unicode 9.0. It was just added to
 the iOS 10 beta, so we can assume it'll become more popular very soon.

 The rainbow flag is *not* an officially documented ZJW sequence, and I'm
 not aware of any other platforms supporting it at this time. I don't
 consider that to be an issue, as it doesn't break forwards compatibility
 (it's very unlikely that a different emoji would use the same ZJW sequence
 in the future, one would have to derive a different meaning from "☠️🏴" to
 even suggest it).

 Due to the minor nature of this change, I don't think we need to add an
 extra test to the twemoji loader, this can just be an update to the
 `twemoji.js` regex.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37543>
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