#enabled w/label_prefix _location # $a->locationname cmp $b->locationname
# or
$a->country cmp $b->country
+ or lc($a->state) cmp lc($b->state)
or lc($a->city) cmp lc($b->city)
+ or lc($a->county) cmp lc($b->county)
or lc($a->address1) cmp lc($b->address1)
or lc($a->address2) cmp lc($b->address2)
};