rics("heightAttributePlusHeightProperty");
          assert_approx_equals(metrics.width, 200, epsilon,
                               "mspace width as specified by attribute");
          assert_approx_equals(metrics.height, 200, epsilon,
                               "mspace height overridden by inline style");
          assert_approx_equals(metrics.line_ascent, 300, epsilon,
                               "mspace line-ascent as specified by height attribute");
      }, "height attribute + height property"