[wp-trac] [WordPress Trac] #28541: Remove duplicates in post_class/body_class

[WordPress Trac]

#28541: Remove duplicates in post_class/body_class
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 Reporter:  Compute      |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Themes       |    Version:  trunk
 Severity:  normal       |   Keywords:
  Focuses:  template     |
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 With #18804 has-post-thumbnail has not been added. What if other plugins
 have already used this for a while? What if there is duplicate classes in
 multiple plugins?
 While this does not break anything it's silly to have 2-3 of the same
 class in the same element.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28541>
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