[wp-trac] [WordPress Trac] #24939: Login with a login name consisting of special characters not possible anymore

[WordPress Trac]

#24939: Login with a login name consisting of special characters not possible
anymore
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 Reporter:  tilmanjo      |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  3.6
 Severity:  normal        |  Resolution:
 Keywords:                |
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Comment (by SergeyBiryukov):

 Core only supports strict ASCII usernames, see #5918.

 When I try to register as "Götze" on a clean install, I get an error:
 "This username is invalid because it uses illegal characters. Please enter
 a valid username."

 `sanitize_user()` function is used for validation: [source:tags/3.6/wp-
 includes/formatting.php#L885].

 The last two changes there were [14428] and [15948], in !WordPress 3.0 and
 3.1.

 Did you use a plugin to allow those usernames?

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Ticket URL: <http://core.trac.wordpress.org/ticket/24939#comment:1>
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