[wp-trac] [WordPress Trac] #11694: WP should do sanity checks for paginated posts, pages and comments

[WordPress Trac]

#11694: WP should do sanity checks for paginated posts, pages and comments
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 Reporter:  Denis-de-Bernardy    |       Owner:  wonderboymusic
     Type:  defect (bug)         |      Status:  closed
 Priority:  normal               |   Milestone:  4.4
Component:  Posts, Post Types    |     Version:  2.9
 Severity:  major                |  Resolution:  fixed
 Keywords:  has-patch 3.9-early  |     Focuses:  template
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Comment (by SergeyBiryukov):

 In [changeset:"47727" 47727]:
 {{{
 #!CommitTicketReference repository="" revision="47727"
 Canonical: Redirect paged requests for non-paginated posts to the post
 permalink.

 This avoids displaying duplicate content of the same post under different
 URLs and ensures the canonical URL is correct.

 Previously, requests for invalid page numbers were only redirected to the
 post permalink if the post was actually paginated using the `<!--
 nextpage-->` marker.

 Follow-up to [34492].

 Props jeremyfelt, prografika, sachit.tandukar, subrataemfluence, hronak,
 ekatherine, henry.wright, chesio, dd32, SergeyBiryukov.
 Fixes #40773. See #45337, #28081, #11694.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/11694#comment:44>
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