[wp-trac] [WordPress Trac] #14910: Simplify sanitize_key() and use it in more places

[WordPress Trac]

#14910: Simplify sanitize_key() and use it in more places
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 Reporter:  ryan          |       Owner:             
     Type:  defect (bug)  |      Status:  new        
 Priority:  normal        |   Milestone:  3.1        
Component:  Performance   |     Version:             
 Severity:  normal        |    Keywords:  needs-patch
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Comment(by WraithKenny):

 Does this mean that $post_type in register_post_type() only supports
 lowercase alpha-numeric names?

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Ticket URL: <http://core.trac.wordpress.org/ticket/14910#comment:5>
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