[wp-trac] [WordPress Trac] #13561: Canonical redirect not firing properly for ?p=# with custom post types

[WordPress Trac]

#13561: Canonical redirect not firing properly for ?p=# with custom post types
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 Reporter:  nacin         |       Owner:  markjaquith
     Type:  defect (bug)  |      Status:  new        
 Priority:  normal        |   Milestone:  3.0        
Component:  Canonical     |     Version:             
 Severity:  blocker       |    Keywords:             
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 If the blog's permalinks are ugly, then ?p=# will not redirect to
 `?p=#&post_type=ptype` (404). This is without regard to the rewrite
 setting on the post type.

 If the blog's permalinks are pretty:

 If rewrite => true on the post type, then ?p=# will redirect properly.
 However, `?p=#&post_type=ptype will cause post_type=ptype to be appended
 to the final pretty custom post type URL.

 If rewrite => false on the post type, then ?p=# will not redirect (404).
 Also, `p=#&post_type=ptype` will redirect to
 `p=#&post_type=ptype&post_type=ptype`.

 I imagine all of this is the same bug, in that post_type is being appended
 again. This results in either an internal rewrite and thus the 404, or the
 external redirect and then you get doubled post_type parameters.

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Ticket URL: <http://core.trac.wordpress.org/ticket/13561>
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