[wp-trac] [WordPress Trac] #21209: Pagination on bare category slugs returns 404 errors

[WordPress Trac]

#21209: Pagination on bare category slugs returns 404 errors
--------------------------+-----------------------
 Reporter:  nkinkade      |       Owner:
     Type:  defect (bug)  |      Status:  reopened
 Priority:  normal        |   Milestone:  3.4.2
Component:  Permalinks    |     Version:  3.4.1
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |
--------------------------+-----------------------
Changes (by SergeyBiryukov):

 * keywords:   => has-patch
 * status:  closed => reopened
 * resolution:  duplicate =>
 * milestone:   => 3.4.2


Comment:

 Reopening after more investigation
 ([https://irclogs.wordpress.org/chanlog.php?channel=wordpress-
 dev&day=2012-07-16&sort=asc#m422658 IRC logs]).

 Like I said, with `/%category%/%postname%/` structure the issue can be
 reproduced in 3.3 as well (and is a duplicate of #8905).

 However, with these structures bare category URLs pagination used to work
 in 3.3 and no longer works in 3.4.1:
 {{{
 /%category%/%year%/%monthnum%/%day%/%postname%/
 /%category%/%postname%.html
 }}}

 As mentioned in [http://wordpress.org/support/topic/wordpress-34-and-
 pagination-custom-post-type-error this thread], there were two rewrite
 rules in 3.3 which are missing in 3.4.1:
 {{{
 [(.+?)/([^/]+)/page/?([0-9]{1,})/?$] =>
 index.php?category_name=$matches[1]&name=$matches[2]&paged=$matches[3]
 [(.+?)/page/?([0-9]{1,})/?$] =>
 index.php?category_name=$matches[1]&paged=$matches[2]
 }}}

 [attachment:21209.patch] fixes the issue by reverting one more piece of
 [19737].

 Related: #19876, #21020

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Ticket URL: <http://core.trac.wordpress.org/ticket/21209#comment:7>
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