ADD_INTERFACE (Spaceable_grob, "spaceable-grob-interface",
"A layout object that takes part in the spacing problem. ",
"measure-length spacing-wishes penalty minimum-distances ideal-distances "
ADD_INTERFACE (Spaceable_grob, "spaceable-grob-interface",
"A layout object that takes part in the spacing problem. ",
"measure-length spacing-wishes penalty minimum-distances ideal-distances "