[wp-trac] [WordPress Trac] #12250: Generate 404s consistently when querying something that does not exist

[WordPress Trac]

#12250: Generate 404s consistently when querying something that does not exist
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 Reporter:  markjaquith   |       Owner:  ryan     
     Type:  defect (bug)  |      Status:  new      
 Priority:  normal        |   Milestone:  3.0      
Component:  Permalinks    |     Version:           
 Severity:  normal        |    Keywords:  has-patch
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Comment(by markjaquith):

 Replying to [comment:10 hakre]:
 > Are the 404s inconsistent between what the function is_404() returns and
 what the exact http response code is?

 They should be. Before sending a 404, it sets is_404.

 > Can the reporter who stated "WordPress 404s are inconsistent." please
 provide the specs against which those are inconsistent?

 I outlined two cases: ?p=999 and ?cat=999 where Post 999 and Category 999
 do not exist. They serve a 200, but should serve a 400. This is a
 difference in 404 handling between default querystring permalinks and
 pretty permalinks. I do not agree that this is a theme issue... it's only
 been handled at the theme level because our 404 handling has been
 inconsistent between different permalink setups.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12250#comment:11>
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