If you want to move the bracket upwards based on its final position
after accounting for other objects such as the slur, then extra-offset
seems the way to go.
Otherwise, you can manually do the work that \offset Y-offset would have
done if you need to use 2.18.2.
%%%%
\version "2.18.2"
test = { \ottava #1 c'''' c'''' c'''' \ottava #0 c'''
\ottava #1 c''''( c'''' c'''' \ottava #0 c''') }
{
\test
% \offset Y-offset 2 Staff.OttavaBracket
\override Staff.OttavaBracket.Y-offset =
#(let ((offset (lambda (n) (+ 2 n))))
(ly:make-unpure-pure-container
(lambda (grob) (offset
(ly:side-position-interface::y-aligned-side grob)))
(lambda (grob start end) (offset
(ly:side-position-interface::pure-y-aligned-side
grob start end)))))
\test
\revert Staff.OttavaBracket.Y-offset
\override Staff.OttavaBracket.extra-offset = #'(0 . 2)
\test
}
%%%%
-- Aaron Hill
