[wp-trac] [WordPress Trac] #26371: Duplicate tags

[WordPress Trac]

#26371: Duplicate tags
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 Reporter:  spacedmonkey  |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Taxonomy      |    Version:  3.6.1
 Severity:  normal        |   Keywords:
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 Wordpress is generating duplicate tags when using the autocomplete to
 assign tags. Even though there is already a tag in database of the tag
 title and this was selected from the autocomplete, wordpress still
 generates a new tag. I believe this is happening because the text of the
 tag has an ampersand symbol in it.

 So here is how to replicate the error.
 1. Create a tag in a post with an ampersand in the body of the tag. E.g
 A&A
 2. In tag editor change the slug of this tag to something different.  E.g
 BB
 3. Create another post and in the tag box, type in the name of you tag.
 4. Select tag from autocomplete menu.
 5. Publish post
 6. Go to tag editor. Search for tag.
 7. You will see listed two, exactly the same tags but with different
 slugs. E.g A&A -> aa, A&A -> bb.

 I have replicated this bug a number of times. I do not believe it any of
 the plugins I am using are doing this.

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Ticket URL: <http://core.trac.wordpress.org/ticket/26371>
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