+% foreach grep exists($f->{$_}),
+% qw( hashref agent_virt agent_null agent_null_right );
+%
+% # fixed
+% $include_common{$_} = $f->{$_}
+% foreach grep exists($f->{$_}),
+% qw( formatted_value );
+%
+% # select-country
+% $include_common{$_} = $f->{$_}
+% foreach grep exists($f->{$_}),
+% qw( country );
+%
+% #htmlarea
+% $include_common{$_} = $f->{$_}
+% foreach grep exists($f->{$_}), qw( width height );
+%