[wp-trac] [WordPress Trac] #18952: AJAX calls to IDN don't work in IE

[WordPress Trac]

#18952: AJAX calls to IDN don't work in IE
--------------------------------+-----------------------------
 Reporter:  SergeyBiryukov      |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  External Libraries  |    Version:  3.2.1
 Severity:  normal              |   Keywords:
--------------------------------+-----------------------------
 In jQuery 1.5+, AJAX requests on sites with IDN domains don't work in IE 8
 or 9.

 On Edit Post screen, adding a new category results in JS error:
 {{{
 Message: 'parsed.responses' - is null or not an object
 Line: 311
 Char: 4
 Code: 0
 URI: http://домен.рф/wp-admin/js/post.dev.js?ver=20110524
 }}}

 On Categories screen, adding a new category silently fails.

 According to [http://bugs.jquery.com/ticket/8419#comment:3 jaubourg's
 comment] in jQuery bug tracker, the request is considered cross-domain
 and, since IE doesn't support cross-domain requests, AJAX won't find a
 suitable transport and bail out. The ticket only refers to IE 8, but I've
 checked this in IE 9, and it seems to show the same behaviour.

 A workaround suggested there is to use unencoded domain name or strip it
 completely.

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Ticket URL: <http://core.trac.wordpress.org/ticket/18952>
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