[wp-trac] [WordPress Trac] #7303: Theme preview generates duplicate `onclick` attribute

[WordPress Trac]

#7303: Theme preview generates duplicate `onclick` attribute
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 Reporter:  Varsity  |       Owner:  anonymous
     Type:  defect   |      Status:  new      
 Priority:  normal   |   Milestone:  2.7      
Component:  General  |     Version:  2.6      
 Severity:  normal   |    Keywords:           
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 If a link in your theme has an onclick attribute, WordPress 2.6 will
 insert a second attribute when previewing it.

 If your page is application/xhtml+xml, this leads to the yellow screen of
 death when you try to preview.

 Example in theme file:

 `<a href="http://feeds.feedburner.com/steamreview"
 onclick="javascript:urchinTracker('/subscribe/');">`

 Example during preview:

 `<a href="#" onclick="return false;"
 onclick="javascript:urchinTracker('/subscribe/');">`

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Ticket URL: <http://trac.wordpress.org/ticket/7303>
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