[wp-trac] [WordPress Trac] #22107: user_email_used error string is not used anywhere?

[WordPress Trac]

#22107: user_email_used error string is not used anywhere?
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 Reporter:  pavelevap                   |       Owner:
     Type:  defect (bug)                |      Status:  new
 Priority:  normal                      |   Milestone:  3.6
Component:  Multisite                   |     Version:  3.0
 Severity:  normal                      |  Resolution:
 Keywords:  has-patch commit 3.6-early  |
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Comment (by SergeyBiryukov):

 Found one more piece of dead code: [[BR]]
 http://core.trac.wordpress.org/browser/tags/3.5.1/wp-signup.php#L139

 We don't use `'generic'` error code anywhere in core. If a plugin wants to
 display a custom error message there, `signup_extra_fields` action can be
 used for that.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22107#comment:7>
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