[wp-trac] [WordPress Trac] #34254: Bug when using the HTML Tag "<progress></progress>" (only when switching to Visual Editor)

[WordPress Trac]

#34254: Bug when using the HTML Tag "<progress></progress>" (only when switching to
Visual Editor)
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 Reporter:  Sprax2013     |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Editor        |    Version:  4.3.1
 Severity:  normal        |   Keywords:
  Focuses:                |
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 When I go to Text (in Editor) and write use "<progress>" from HTML to
 create a Progress Bar, it will be displayed on the Webside. But when I
 edit it agan or switch to Visual (in Editor) the progrss-Tag will be
 removed and when saving also on website. Please Fix or create a nice Addon

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Ticket URL: <https://core.trac.wordpress.org/ticket/34254>
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