Re: MMRs + system breaks + keepAliveInterfaces

[Jean Abou Samra]

Le 09/01/2023 à 17:29, Saul Tobin a écrit :

Setting keepAliveInterfaces at the beginning or end of a system with an MMR
immediately preceding or following "bleeds over" into the wrong system if
rests were considered "worth living" on either side.

\layout {
   \context {
     \Score
     keepAliveInterfaces = #'(stem-interface
                              note-head-interface
                              rest-interface
                              )
   }
}

% Ex 1

\new Staff \with {
   \override VerticalAxisGroup.remove-empty = ##t
   \override VerticalAxisGroup.remove-first = ##t
} {
   R1
   \set Staff.keepAliveInterfaces = #'()
   \break
   c'1
}

% Ex 2

\new Staff \with {
   \override VerticalAxisGroup.remove-empty = ##t
   \override VerticalAxisGroup.remove-first = ##t
} {
   \set Staff.keepAliveInterfaces = #'()
   c'1
   \unset Staff.keepAliveInterfaces
   \break
   R1
}

Thanks, this is now https://gitlab.com/lilypond/lilypond/-/issues/6518

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