rename hook: instead of modifying the passed-by-name array, return a copy

[git.ikiwiki.info.git] / doc / bugs / clearing_email_in_prefs.mdwn

If a user has an email address in their prefs, and they try to clear it,
the prefs seem to save ok, and the email seems to be gone, but reloading
the prefs page will reveal the old email address.

Also affected subscriptions.. [[done]]