Your profile URL is currently <strong>'$baseurl/profile/$uid'</strong>.
Setting a nickname will allow a friendly profile URL such as
<strong>$baseurl/profile/nickname</strong>
Once set, it can never be changed. Only letter, numbers, spaces and
underscore are allowed and the nickname must start with a space.
<strong>'nickname@$basepath'</strong>.
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Once set, it can never be changed. The nickname <strong>must</strong> start with a letter; and only letters, numbers, dashes, and underscores are allowed.