[wp-trac] [WordPress Trac] #31988: TinyMCE: pasting an embeddable URL in Firefox doesn't show preview

[WordPress Trac]

#31988: TinyMCE: pasting an embeddable URL in Firefox doesn't show preview
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 Reporter:  azaozz        |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.2
Component:  TinyMCE       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Caused by our regex test whether the selected parahraph has any text
 content.

 When there is no text content (most common case), `typeof(
 node.textContent || node.innerText )` is `"undefined"` in Firefox but
 `"string"` in Chrome. The regex test fails for undefined and passes for
 string.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31988>
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