[wp-trac] [WordPress Trac] #38044: Make seems_utf8() RFC 3629 compliant.

[WordPress Trac]

#38044: Make seems_utf8() RFC 3629 compliant.
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 Reporter:  gitlost       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Formatting    |    Version:  1.2.1
 Severity:  normal        |   Keywords:
  Focuses:                |
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 `seems_utf8()` should be made [https://www.ietf.org/rfc/rfc3629.txt RFC
 3629] compliant. Currently it accepts overlong sequences and surrogates,
 which will cause PHP functions expecting valid UTF-8 strings to fail.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38044>
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