[wp-trac] [WordPress Trac] #35824: Inline svg icons are not displaying when the page is viewed from Customizer's iframe

[WordPress Trac]

#35824: Inline svg icons are not displaying when the page is viewed from
Customizer's iframe
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 Reporter:  johndoedoe    |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.6
Component:  Customize     |     Version:  4.4.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by bentleykfrog):

 @aut0poietic Thanks for confirming that. I was able to reproduce your
 issue in Safari 9.1. In Firefox 46.0b9 & Chrome 50.0.2661.86 the issue is
 more like the O.P.

 In Safari 9.1 on Mac:
 Only shapes that are filled with gradients using fragment identifiers &
 filters using similar fragment identifiers are not displaying. SVG shapes
 with solid fills do display. Adding a history state that matches the base
 href on iframe document.write() fixed this in safari after flushing its
 cache and refreshing the page.

 Chrome 50.0.2661.86 on Mac and Windows & Firefox 46.0b9 on Mac show the
 same issues as the O.P. All SVG elements that use fragment identifiers to
 reference inline content don't display the referenced content. Again
 adding a history state that matches the base href on iframe
 document.write() fixes this issue.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35824#comment:7>
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