+=item invoicing_list_emailonly_scalar
+
+Given an object that contains fields from cust_main (say, from a JOINed
+search; see httemplate/search/ for examples), returns the equivalent of the
+FS::cust_main I<invoicing_list_emailonly_scalar> method, or "(unlinked)" if
+this object is not linked to a customer.
+
+=cut
+
+sub invoicing_list_emailonly_scalar {
+ my $self = shift;
+ warn "invoicing_list_email only called on $self, ".
+ "custnum ". $self->custnum. "\n"
+ if $DEBUG;
+ $self->cust_linked
+ ? FS::cust_main::invoicing_list_emailonly_scalar($self)
+ : $self->cust_unlinked_msg;
+}
+
+=item invoicing_list
+
+Given an object that contains fields from cust_main (say, from a JOINed
+search; see httemplate/search/ for examples), returns the equivalent of the
+FS::cust_main I<invoicing_list> method, or "(unlinked)" if this object is not
+linked to a customer.
+
+Note: this method is read-only.
+
+=cut
+