-The horizontal location of rehearsal marks can be adjusted by
-setting @code{break-align-symbol}
-
-@lilypond[fragment,quote,ragged-right,verbatim,relative]
-c1
-\key cis \major
-\clef alto
-\override Score.RehearsalMark #'break-align-symbols = #'(key-signature)
-\mark "on-key"
-cis
-\key ces \major
-\override Score.RehearsalMark #'break-align-symbols = #'(clef)
-\clef treble
-\mark "on clef"
-ces
-@end lilypond
-
-@code{break-align-symbol} may also accept the following values:
-@code{ambitus}, @code{breathing-sign}, @code{clef}, @code{custos},
-@code{staff-bar}, @code{left-edge}, @code{key-cancellation},
-@code{key-signature}, and @code{time-signature}. Setting
-@code{break-align-symbol} will only have an effect if the symbol
-appears at that point in the music.
-