[wp-trac] [WordPress Trac] #13159: Admin username diacritics silently stripped at install

[WordPress Trac]

#13159: Admin username diacritics silently stripped at install
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 Reporter:  Jbb           |       Owner:            
     Type:  defect (bug)  |      Status:  new       
 Priority:  normal        |   Milestone:  Unassigned
Component:  General       |     Version:  3.0       
 Severity:  critical      |    Keywords:            
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 1. Fresh install of WP trunk
 2. For the admin username, enter some diacritic. For example,
 '''Jérémie'''
 3. All goes well it seems
 4. Can't log in with that user

 But in the users SQL table, the login name registered is: '''Jrmie'''

 Login name should accept most unicode glyphs, especially well unique and
 used diacritic. A help button at registration should explain the rules of
 login taxonomy (what's allowed, what's not). And it should never ever
 alter the login in any way without warning the user.

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Ticket URL: <http://core.trac.wordpress.org/ticket/13159>
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