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SpanBarStub objects are created by:
extra-spacing-height(pair of numbers):
In the horizontal spacing problem, we increase the height of each item by this amount (by adding the ‘car’ to the bottom of the item and adding the ‘cdr’ to the top of the item). In order to make a grob infinitely high (to prevent the horizontal spacing problem from placing any other grobs above or below this grob), set this to
(-inf.0 . +inf.0).
X-extent(pair of numbers):
#<procedure at /build/out/share/lilypond/current/scm/lily/output-lib.scm:1439:0 (grob)>
Extent (size) in the X direction, measured in staff-space units, relative to object’s reference point.
Y-extent(pair of numbers):
#<unpure-pure-container #f #<procedure pure-from-neighbor-interface::pure-height (grob beg end)> >
Extent (size) in the Y direction, measured in staff-space units, relative to object’s reference point.
This object is of class Item (characterized by