[wp-trac] [WordPress Trac] #27803: Manage Themes: Themes thumbail are bronken on firefox when offline

[WordPress Trac]

#27803: Manage Themes: Themes thumbail are bronken on firefox when offline
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 Reporter:  5um17         |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Themes        |     Version:  3.8.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  ui, administration
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Comment (by ocean90):

 Related: #27779

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Ticket URL: <https://core.trac.wordpress.org/ticket/27803#comment:1>
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