[wp-trac] [WordPress Trac] #64709: Stretchy Heading inside Media & Text block don't render correct in Firefox browser.

[WordPress Trac]

#64709: Stretchy Heading inside Media & Text block don't render correct in Firefox
browser.
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 Reporter:  clauskofoed   |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Formatting    |    Version:  6.9.1
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Tested with Firefox Developer v. 148,0b15 (64-bit) and standard Firefox v.
 147.0.4 (64-bit)

 When using Stretchy Heading or Stretchy Paragraph inside the Media & Text
 block, it renders fine in Chrome, Edge, Android and Brave browsers. **But
 do not scale properly in FireFox browsers**.
 I first tried on staging site with own theme. Then tested in FireFox
 browser with Playground.
 Problem both on frontend and backend.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64709>
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