[OpenStreetMap] #4143: Case sensitivity regarding email in sign-up and password recovery

[OpenStreetMap]

#4143: Case sensitivity regarding email in sign-up and password recovery
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 Reporter:  rasher       |       Owner:  rails-dev@…                
     Type:  enhancement  |      Status:  new                        
 Priority:  minor        |   Milestone:                             
Component:  website      |     Version:                             
 Keywords:               |  
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Comment(by TomH):

 Probably, but it would have to be done very carefully to ensure that we
 didn't make it impossible for existing users to change their settings.

 There is also the small fact that we would to bypass rails and do postgres
 specific hacks in the migrations to make this work as we would need to add
 function indexes on the user table.

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Ticket URL: <https://trac.openstreetmap.org/ticket/4143#comment:3>
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