1\header { texidoc = "Deeply nested system braces, brackets, etc., may be 2 created with the @code{systemStartDelimiterHierarchy} property." 3} 4 5\version "2.19.21" 6 7\paper { 8 ragged-right = ##t 9} 10 11\new StaffGroup 12\relative << 13 \set StaffGroup.systemStartDelimiterHierarchy 14 = #'(SystemStartSquare (SystemStartBracket a (SystemStartSquare b c)) d) 15 \new Staff { c'1 } 16 \new Staff { c1 } 17 \new Staff { c1 } 18 \new Staff { c1 } 19 \new Staff { c1 } 20 >> 21