6 As a last resort, the placement of grobs can be adjusted manually, by
7 setting the @code{extra-offset} of a grob.
13 \applyoutput #(outputproperty-compatibility (make-type-checker 'note-head-interface) 'extra-offset '(2 . 3))
17 \applyoutput #(outputproperty-compatibility (make-type-checker 'mark-interface) 'extra-offset '(-1 . 4))