4 texidoc
= "The break-align-anchor property of a break-aligned grob gives
5 the horizontal offset at which other grobs should attach."
9 \override Score
.RehearsalMark
#'break-align-symbols
= #'(staff-bar
)
11 \once \override Staff
.BarLine
#'break-align-anchor
= #-
5
15 \once \override Staff
.BarLine
#'break-align-anchor
= #5