Discourage individual CDR printing, empty or `Y'
+=item edit_subject
+
+Allow self-service editing of ticket subjects, empty or 'Y'
+
=back
=head1 METHODS
=item unapplied_payments_date_sql START_TIME [ END_TIME ]
Returns an SQL fragment to retreive the total unapplied payments for this
-customer, only considering invoices with date earlier than START_TIME, and
+customer, only considering payments with date earlier than START_TIME, and
optionally not later than END_TIME.
Times are specified as SQL fragments or numeric