# (XXX: Ask Autrijus how i18n changes these definitions.)
my $name = '[\w.-]+';
-my $field = '[a-zA-Z][a-zA-Z0-9_-]*';
+my $field = '(?:[a-zA-Z](?:[a-zA-Z0-9_-]|\s+)*)';
my $label = '[a-zA-Z0-9@_.+-]+';
my $labels = "(?:$label,)*$label";
my $idlist = '(?:(?:\d+-)?\d+,)*(?:\d+-)?\d+';