LY_DEFINE (ly_relative_group_extent, "ly:relative-group-extent",
3, 0, 0, (SCM elements, SCM common, SCM axis),
"Determine the extent of @var{elements} relative to @var{common} in the"
LY_DEFINE (ly_relative_group_extent, "ly:relative-group-extent",
3, 0, 0, (SCM elements, SCM common, SCM axis),
"Determine the extent of @var{elements} relative to @var{common} in the"