[wp-trac] [WordPress Trac] #21765: Redirect to canonical URL if URL has 'preview' parameter with any nonempty value and user not log in

[WordPress Trac]

#21765: Redirect to canonical URL if URL has 'preview' parameter with any nonempty
value and user not log in
---------------------------+-----------------------------
 Reporter:  egorpromo      |      Owner:
     Type:  enhancement    |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  Rewrite Rules  |    Version:  3.4.1
 Severity:  normal         |   Keywords:
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 if any URL has nonempty GET-parameter 'preview' that there is
 noredirection to canonical URL.
 If we have
 http://example.com?p={post_id}&post_type={post_slug}&preview=true there is
 no redirection to correct URL like
 http://example.com?{post_type}={post_slug} or like
 http://example.com/{post_type}/{post_slug} (if site has permalinks). This
 is bad for SEO and bad user experience. If user not log in there must be
 redirecttion.

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Ticket URL: <http://core.trac.wordpress.org/ticket/21765>
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