[wp-trac] [WordPress Trac] #37172: Fix class attribute quotation

[WordPress Trac]

#37172: Fix class attribute quotation
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 Reporter:  michalzuber     |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Administration  |     Version:  trunk
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:  administration
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Comment (by michalzuber):

 Patch attached. I also replaced some new lines \n with PHP's predefined
 constant for that which is OS specific
 (http://php.net/manual/en/reserved.constants.php#116600)

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Ticket URL: <https://core.trac.wordpress.org/ticket/37172#comment:1>
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