[wp-trac] [WordPress Trac] #42559: Twenty fifteen theme fails on IE 11.0.48 OK on 11.0.47

[WordPress Trac]

#42559: Twenty fifteen theme fails on IE 11.0.48 OK on 11.0.47
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 Reporter:  petergreen5678     |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Bundled Theme      |     Version:  trunk
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by petergreen5678):

 Hi Sergey, thanks for amazing response. I'm afraid I don't think I
 understand the question (in spite of a quick search to find out). I have
 not knowingly added an extension - how can I tell? Peter

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Ticket URL: <https://core.trac.wordpress.org/ticket/42559#comment:2>
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