my $name=shift;
length $name &&
$name=~/$config{wiki_file_regexp}/ &&
+ # don't allow registering
+ # accounts that look like
+ # openids, or email
+ # addresses, even if the
+ # file regexp allows it
+ $name!~/[\/:\@]/ &&
! IkiWiki::userinfo_get($name, "regdate");
},
);