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