}
ADD_INTERFACE (Grid_line_interface,
- "A line that spanned between grid-points. ",
- "elements thickness");
+ "A line that is spanned between grid-points.",
+
+ /* properties */
+ "elements "
+ "thickness "
+ );
ADD_INTERFACE (Grid_point_interface,
- "A spanning point for grid lines. ",
- "");
+ "A spanning point for grid lines.",
+
+ /* properties */
+ ""
+ );