ENTER_DESCRIPTION(Spacing_engraver,
/* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes ",
/* creats*/ "SpacingSpanner",
ENTER_DESCRIPTION(Spacing_engraver,
/* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes ",
/* creats*/ "SpacingSpanner",