[wp-trac] [WordPress Trac] #63289: Error in validator.w3 (After updating to version 6.8)

[WordPress Trac]

#63289: Error in validator.w3 (After updating to version 6.8)
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 Reporter:  mike77777     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by robin_dean):

 I'm faced with the same bug. This is invalid HTML, as was the "contain-
 intrinsic-size" issue. Please, stop adding invalid html to the core or
 even better, check that the end result is valid html (in my case html5).

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Ticket URL: <https://core.trac.wordpress.org/ticket/63289#comment:2>
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