THank you Jean, And sorry about the messy MWE. By the way i tested it, and it is the same as in old lilypond versions (tested on 2.18) So this is not a bug. I suspect this has something to do with \startStaff. And I am not that expert to mess with it. But I hope there is a solution.
Best K On Fri, Jun 16, 2023 at 03:24:20PM +0200, Jean Abou Samra wrote: > Le vendredi 16 juin 2023 à 14:59 +0200, Karim Haddad a écrit : > > > I customize staffs using the following tweak: > > [...] > > > > Whenever there is a pagebreak (explicit or automatic), the StaffGroupBar > > disappears. > > I know i am missing something here. > > Here is a somehow not so moderate MWE (sorry): > > > I don't have the time to find a solution right now, but for a start, here is > already a more "M" MWE: > > ``` > \version "2.24.1" > > kHide = { > \stopStaff > \override Staff.StaffSymbol.line-count= 1 > \startStaff > } > > \new StaffGroup << > \new Staff { R1 R1 \break \kHide R1 R1 } > \new Staff { R1 R1 R1 R1 } > >> > ``` > -- Karim Haddad Music Representations Team, IRCAM Research and development manager. email : karim.had...@ircam.fr webpage : http://karim.haddad.free.fr