[wp-trac] [WordPress Trac] #37812: 404 when using a numeric slug and /%category%/ base

[WordPress Trac]

#37812: 404 when using a numeric slug and /%category%/ base
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 Reporter:  mikejolley    |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Permalinks    |    Version:  4.6
 Severity:  normal        |   Keywords:
  Focuses:                |
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 To reproduce:

 1. Create a top and sublevel category. Lets say Parent > Child
 2. In permalink settings, set custom permalink structure
 /%category%/%postname%/
 3. Create a post with slug 12345 and assign to category "child"
 4. View post.

 There is a 404.

 Tested in 4.6 only. No other plugins active.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37812>
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