[wp-trac] [WordPress Trac] #12948: Post tags using cyrillic chars multiply in tables wp_term* when updating posts

[WordPress Trac]

#12948: Post tags using cyrillic chars multiply in tables wp_term* when updating
posts
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 Reporter:  StefanMz      |       Owner:  filosofo  
     Type:  defect (bug)  |      Status:  new       
 Priority:  normal        |   Milestone:  Unassigned
Component:  Taxonomy      |     Version:  2.9.2     
 Severity:  major         |    Keywords:            
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 Having the post tag български (with slug bulgarski) and saving changes on
 a post using this tag, the tag is not recognized as already existent (not
 increasing "count" in wp_term_taxonomy), but recreated in tables wp_terms,
 wp_term_taxonomy, and wp_term_relationships again and again.

 My observation is, that the previous entry in wp_term_taxonomy linking the
 existing term with the last post version is replaced by a new entry
 linking the redundant new term and the post.

 The same behavior occurs when using HTML-entities instead of the cyrillic
 characters български.

 MySQL database, db-connection and tables use utf8_general_ci.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12948>
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