+ADD_INTERFACE (Side_position_interface,"side-position-interface",
+ "Position a victim object (this one) next to other objects (the "
+ "support). In this case, the property @code{direction} signifies where to put the "
+ "victim object relative to the support (left or right, up or down?)\n\n "
+ "The routine puts objects at a distance of the staff if the property "
+ "@code{staff-padding} is defined. If undefined, the staff symbol is ignored."
+ ,
+ "staff-padding side-support-elements direction-source "
+ "direction side-relative-direction minimum-space padding");