9 \description "Hard coded entry point for LilyPond. Cannot be tuned."
10 \grobdescriptions #all-grob-descriptions
14 \type "Engraver_group"
17 \consists "Output_property_engraver"
18 \consists "Bar_engraver"
19 %% Bar_engraver must be first so default bars aren't overwritten
22 \consists "Font_size_engraver"
23 \consists "Volta_engraver"
24 \consists "Separating_line_group_engraver"
25 \consists "Dot_column_engraver"
27 %% perhaps move to Voice context?
28 \consists "Ottava_spanner_engraver"
29 \consists "Clef_engraver"
30 \consists "Key_engraver"
31 \consists "Time_signature_engraver"
32 \consists "Ledger_line_engraver"
33 \consists "Staff_symbol_engraver"
34 \consists "Collision_engraver"
35 \consists "Rest_collision_engraver"
36 \consists "Accidental_engraver"
37 \consists "Piano_pedal_engraver"
38 \consists "Instrument_name_engraver"
39 \consists "String_number_engraver"
40 \consists "Axis_group_engraver"
41 \consists "Figured_bass_engraver"
42 \consists "Figured_bass_position_engraver"
44 \override VerticalAxisGroup #'minimum-Y-extent = #'(-4 . 4)
45 extraVerticalExtent = ##f
47 localKeySignature = #'()
49 ignoreFiguredBassRest = ##t
51 %% explicitly set instrument, so we don't get
52 %% weird effects when doing instrument names for
56 shortInstrumentName = #'()
62 \description "Handles clefs, bar lines, keys, accidentals. It can contain
63 @code{Voice} contexts."
69 \type "Engraver_group"
73 \remove "Accidental_engraver"
74 \remove "Ottava_spanner_engraver"
75 \remove "Key_engraver"
76 \remove "Piano_pedal_engraver"
77 \remove "String_number_engraver"
79 \description "Handles typesetting for percussion."
83 \defaultchild "DrumVoice"
85 clefGlyph = #"clefs.percussion"
87 \override Script #'staff-padding = #0.75
92 \type "Engraver_group"
93 \name "InnerChoirStaff"
94 \consists "System_start_delimiter_engraver"
95 systemStartDelimiter = #'SystemStartBracket
101 \accepts "RhythmicStaff"
102 \accepts "GrandStaff"
103 \accepts "PianoStaff"
105 \accepts "ChordNames"
106 \defaultchild "Staff"
113 \defaultchild "Staff"
114 \accepts "InnerChoirStaff"
115 \accepts "InnerStaffGroup"
116 \description "Identical to @code{StaffGroup} except that the
117 contained staves are not connected vertically."
122 \type "Engraver_group"
124 \override VerticalAxisGroup #'minimum-Y-extent = ##f
125 extraVerticalExtent = ##f
127 localKeySignature = #'()
130 squashedPosition = #0
134 \override BarLine #'bar-size = #4
135 \override VoltaBracket #'staff-padding = #3
136 \override StaffSymbol #'line-count = #1
138 \override Stem #'neutral-direction = #UP
139 \override Beam #'neutral-direction = #UP
141 \consists "Output_property_engraver"
142 \consists "Font_size_engraver"
143 \consists "Volta_engraver"
144 \consists "Separating_line_group_engraver"
145 \consists "Dot_column_engraver"
146 \consists "Bar_engraver"
147 \consists "Staff_symbol_engraver"
148 \consists "Pitch_squash_engraver"
149 \consists "Time_signature_engraver"
150 \consists "Instrument_name_engraver"
151 \consists "Axis_group_engraver"
152 \consists "Ledger_line_engraver"
156 \defaultchild "Voice"
159 A context like @code{Staff} but for printing rhythms. Pitches are
160 ignored; the notes are printed on one line.
166 \type "Engraver_group"
170 Corresponds to a voice on a staff. This context handles the
171 conversion of dynamic signs, stems, beams, super- and subscripts,
172 slurs, ties, and rests.
174 You have to instantiate this explicitly if you want to have
175 multiple voices on the same staff."
177 localKeySignature = #'()
178 \consists "Font_size_engraver"
180 \consists "Pitched_trill_engraver"
181 \consists "Output_property_engraver"
182 \consists "Arpeggio_engraver"
183 \consists "Multi_measure_rest_engraver"
184 \consists "Text_spanner_engraver"
185 \consists "Trill_spanner_engraver"
186 \consists "Grob_pq_engraver"
187 \consists "Forbid_line_break_engraver"
188 \consists "Laissez_vibrer_engraver"
189 \consists "Repeat_tie_engraver"
190 \consists "Note_head_line_engraver"
191 \consists "Glissando_engraver"
192 \consists "Ligature_bracket_engraver"
193 \consists "Breathing_sign_engraver"
194 \consists "Note_heads_engraver"
195 \consists "Rest_engraver"
197 %% switch on to make stem directions interpolate for the
199 % \consists "Melody_engraver"
201 \consists "Stem_engraver"
202 \consists "Beam_engraver"
203 \consists "Grace_beam_engraver"
204 \consists "Auto_beam_engraver"
206 %% must come before Script_column_engraver.
207 \consists "New_fingering_engraver"
208 \consists "Chord_tremolo_engraver"
209 \consists "Percent_repeat_engraver"
210 \consists "Slash_repeat_engraver"
211 \consists "Part_combine_engraver"
213 \consists "Text_engraver"
214 \consists "Dynamic_engraver"
215 \consists "Fingering_engraver"
216 \consists "Bend_after_engraver"
218 \consists "Script_engraver"
219 \consists "Script_column_engraver"
220 \consists "Rhythmic_column_engraver"
221 \consists "Phrasing_slur_engraver"
222 \consists "Cluster_spanner_engraver"
223 \consists "Slur_engraver"
224 \consists "Tie_engraver"
225 \consists "Tuplet_engraver"
226 \consists "Grace_engraver"
227 \consists "Instrument_switch_engraver"
228 \consists "Skip_event_swallow_translator"
237 \override Stem #'length-fraction = #(magstep -4)
238 \override Beam #'length-fraction = #(magstep -4)
246 \description "A voice on a percussion staff."
247 \remove "Arpeggio_engraver"
248 \consists "Multi_measure_rest_engraver"
249 \consists "Text_spanner_engraver"
250 \consists "Grob_pq_engraver"
252 \remove "Note_head_line_engraver"
253 \remove "Glissando_engraver"
254 \remove "Ligature_bracket_engraver"
255 \remove "Note_heads_engraver"
256 \consists "Drum_notes_engraver"
257 \remove "New_fingering_engraver"
259 \remove "Fingering_engraver"
261 \remove "Cluster_spanner_engraver"
262 \consists "Tuplet_engraver"
264 \consists "Skip_event_swallow_translator"
268 \type "Engraver_group"
270 localKeySignature = #'()
272 \description " A group of staffs, with a brace on the left
273 side, grouping the staves together. The bar lines of the
274 contained staves are connected vertically. "
276 \consists "Span_bar_engraver"
277 \consists "Span_arpeggio_engraver"
278 \consists "System_start_delimiter_engraver"
279 systemStartDelimiter = #'SystemStartBrace
282 \accepts "FiguredBass"
291 "Just like @code{GrandStaff} but with a forced distance between
292 the staves, so cross staff beaming and slurring can be used."
294 \override VerticalAlignment #'forced-distance = #12
295 \override VerticalAlignment #'self-alignment-Y = #0
297 \consists "Vertical_align_engraver"
298 \consists "Instrument_name_engraver"
300 instrumentName = #'()
301 shortInstrumentName = #'()
305 \type "Engraver_group"
306 \name InnerStaffGroup
308 \consists "Span_bar_engraver"
309 \consists "Span_arpeggio_engraver"
310 \consists "Output_property_engraver"
311 systemStartDelimiter = #'SystemStartBracket
313 \consists "System_start_delimiter_engraver"
315 \defaultchild "Staff"
317 \accepts "RhythmicStaff"
319 \accepts "GrandStaff"
320 \accepts "PianoStaff"
323 \accepts "ChordNames"
332 "Groups staffs while adding a bracket on the left side, grouping
333 the staves together. The bar lines of the contained staves are
334 connected vertically. StaffGroup only consists of a collection of
335 staffs, with a bracket in front and spanning bar lines. "
337 \accepts "InnerChoirStaff"
338 \accepts "ChoirStaff"
339 \accepts "InnerStaffGroup"
340 \accepts "FiguredBass"
345 \type "Engraver_group"
346 \override VerticalAxisGroup #'minimum-Y-extent = #'(-1.2 . 2.4)
347 extraVerticalExtent = ##f
350 \description " Corresponds to a voice with lyrics. Handles the
351 printing of a single line of lyrics. "
354 \consists "Lyric_engraver"
355 \consists "Extender_engraver"
356 \consists "Hyphen_engraver"
357 \consists "Stanza_number_engraver"
358 \consists "Instrument_name_engraver"
359 \consists "Skip_event_swallow_translator"
360 \consists "Font_size_engraver"
361 \consists "Hara_kiri_engraver"
362 \override VerticalAxisGroup #'remove-first = ##t
363 \override VerticalAxisGroup #'remove-empty = ##t
364 \override SeparationItem #'padding = #0.2
365 \override InstrumentName #'self-alignment-Y = ##f
367 %% sync with define-grobs.scm ;
368 \override InstrumentName #'font-size = #1.0
370 %% make sure that barlines aren't collapsed, when
371 %% Bar_engraver is there.
372 \override BarLine #'bar-size = #0.1
377 \type "Engraver_group"
379 \consists "Axis_group_engraver"
381 \override VerticalAxisGroup #'minimum-Y-extent = ##f
382 extraVerticalExtent = ##f
386 \consists "Rest_swallow_translator"
387 \consists "Skip_event_swallow_translator"
388 \consists "Tie_engraver"
389 \consists "Note_name_engraver"
390 \consists "Separating_line_group_engraver"
394 \type "Engraver_group"
396 \description "Typesets chord names."
398 \consists "Volta_engraver"
400 \consists "Rest_swallow_translator"
401 \consists "Output_property_engraver"
402 \consists "Separating_line_group_engraver"
403 \consists "Chord_name_engraver"
404 \consists "Skip_event_swallow_translator"
405 \consists "Hara_kiri_engraver"
407 voltaOnThisStaff = ##f
408 \override VerticalAxisGroup #'minimum-Y-extent = #'(0 . 2.5)
409 extraVerticalExtent = ##f
410 \override SeparatingGroupSpanner #'padding = #0.8
411 \override VerticalAxisGroup #'remove-first = ##t
412 \override VerticalAxisGroup #'remove-empty = ##t
417 RemoveEmptyStaffContext= \context {
419 \remove "Axis_group_engraver"
420 \consists "Hara_kiri_engraver"
421 \override Beam #'auto-knee-gap = #'()
422 \override VerticalAxisGroup #'remove-empty = ##t
425 AncientRemoveEmptyStaffContext = \context {
426 %% why not add by default?
428 \RemoveEmptyStaffContext
429 \accepts "VaticanaVoice"
430 \accepts "GregorianTranscriptionVoice"
431 \accepts "MensuralVoice"
435 \type "Score_engraver"
438 \description "This is the top level notation context. No
439 other context can contain a @code{Score} context. This context
440 handles the administration of time signatures. It also makes sure
441 that items such as clefs, time signatures, and key-signatures are
442 aligned across staves.
444 You cannot explicitly instantiate a Score context (since it is
445 not contained in any other context). It is instantiated
446 automatically when an output definition (a @code{\score} or
447 @code{\layout} block) is processed."
450 \consists "Paper_column_engraver"
451 \consists "Vertically_spaced_contexts_engraver"
452 \consists "Repeat_acknowledge_engraver"
453 \consists "Staff_collecting_engraver"
455 %% move the alias along with the engraver.
457 \consists "Timing_translator"
458 \consists "Default_bar_line_engraver"
459 \consists "Output_property_engraver"
460 \consists "System_start_delimiter_engraver"
461 \consists "Mark_engraver"
462 \consists "Metronome_mark_engraver"
463 \consists "Break_align_engraver"
464 \consists "Spacing_engraver"
465 \consists "Grace_spacing_engraver"
466 \consists "Vertical_align_engraver"
467 \consists "Stanza_number_align_engraver"
468 \consists "Bar_number_engraver"
469 \consists "Tweak_engraver"
470 \consists "Parenthesis_engraver"
472 \defaultchild "Staff"
475 \accepts "RhythmicStaff"
477 \accepts "VaticanaStaff"
478 \accepts "GregorianTranscriptionStaff"
479 \accepts "MensuralStaff"
480 \accepts "StaffGroup"
483 \accepts "ChordNames"
484 \accepts "GrandStaff"
485 \accepts "ChoirStaff"
486 \accepts "PianoStaff"
489 \accepts "FiguredBass"
492 soloIIText = #"Solo II"
494 printPartCombineTexts = ##t
495 systemStartDelimiter =#'SystemStartBar
497 drumStyleTable = #drums-style
499 melismaBusyProperties = #default-melisma-properties
501 clefGlyph = #"clefs.G"
503 middleCPosition = #-6
506 defaultBarType = #"|"
507 barNumberVisibility = #first-bar-number-invisible
510 explicitClefVisibility = #all-visible
511 explicitKeySignatureVisibility = #all-visible
512 autoBeamSettings = #default-auto-beam-settings
514 autoBeamCheck = #default-auto-beam-check
515 scriptDefinitions = #default-script-alist
517 pedalSustainStrings = #'("Ped." "*Ped." "*")
518 pedalSustainStyle = #'text
519 pedalUnaCordaStrings = #'("una corda" "" "tre corde")
520 pedalUnaCordaStyle = #'text
522 %% These are in ordinary italic font, including the *,
523 %% but they are unlikely to be used,
524 %% as the default pedal-style for SostenutoPedal is 'mixed':
525 %% i.e. Sost. Ped_____________________
526 pedalSostenutoStrings = #'("Sost. Ped." "*Sost. Ped." "*")
527 pedalSostenutoStyle = #'mixed
529 harmonicAccidentals = ##t
530 fingeringOrientations = #'(up down)
531 stringNumberOrientations = #'(up down)
532 markFormatter = #format-mark-letters
537 autoAccidentals = #'(Staff (same-octave . 0))
538 autoCautionaries = #'()
540 printKeyCancellation = ##t
541 keyAlterationOrder = #`(
542 (6 . ,FLAT) (2 . ,FLAT) (5 . ,FLAT ) (1 . ,FLAT) (4 . ,FLAT) (0 . ,FLAT) (3 . ,FLAT)
543 (3 . ,SHARP) (0 . ,SHARP) (4 . ,SHARP) (1 . ,SHARP) (5 . ,SHARP) (2 . ,SHARP) (6 . ,SHARP)
544 (6 . ,DOUBLE-FLAT) (2 . ,DOUBLE-FLAT) (5 . ,DOUBLE-FLAT ) (1 . ,DOUBLE-FLAT) (4 . ,DOUBLE-FLAT) (0 . ,DOUBLE-FLAT) (3 . ,DOUBLE-FLAT)
545 (3 . ,DOUBLE-SHARP) (0 . ,DOUBLE-SHARP) (4 . ,DOUBLE-SHARP) (2 . ,DOUBLE-SHARP) (5 . ,DOUBLE-SHARP) (2 . ,DOUBLE-SHARP) (6 . ,DOUBLE-SHARP)
548 barCheckSynchronize = ##f
551 chordNameFunction = #ignatzek-chord-names
552 majorSevenSymbol = #whiteTriangleMarkup
553 chordNameSeparator = #(make-simple-markup "/")
554 chordNameExceptions = #ignatzekExceptions
555 chordNoteNamer = #'()
556 chordRootNamer = #note-name->markup
557 chordPrefixSpacer = #0
558 chordNameExceptionsFull = #fullJazzExceptions
559 chordNameExceptionsPartial = #partialJazzExceptions
562 bassStaffProperties = #'((assign clefGlyph "clefs.F")
563 (assign clefPosition 2)
564 (assign middleCPosition 6))
566 stringOneTopmost = ##t
569 %% One may change the strings tuning as following :
570 %% The lenght of the list must be equal to the number of string
571 stringTunings = #guitar-tuning
572 tablatureFormat = #fret-number-tablature-format
575 figuredBassFormatter = #format-bass-figure
576 metronomeMarkFormatter = #format-metronome-markup
578 (Voice Stem direction ,UP)
579 (Voice Stem font-size -3)
580 (Voice NoteHead font-size -3)
581 (Voice Dots font-size -3)
582 (Voice Stem length-fraction 0.8)
583 (Voice Stem no-stem-extend #t)
584 (Voice Beam thickness 0.384)
585 (Voice Beam length-fraction 0.8)
586 (Voice Accidental font-size -4)
587 (Voice Slur direction ,DOWN)
590 keepAliveInterfaces = #'(rhythmic-grob-interface lyric-interface percent-repeat-interface)
591 quotedEventTypes = #'(note-event rest-event time-scaled-music tie-event beam-event)
592 instrumentTransposition = #(ly:make-pitch 0 0 0)
594 verticallySpacedContexts = #'(Staff)
596 hairpinToBarline = ##t
605 \type "Engraver_group"
608 \consists "Figured_bass_engraver"
609 \consists "Note_swallow_translator"
610 \consists "Skip_event_swallow_translator"
611 \consists "Separating_line_group_engraver"
612 \consists "Hara_kiri_engraver"
614 \override VerticalAxisGroup #'remove-empty = ##t
615 \override VerticalAxisGroup #'remove-first = ##t
616 \override VerticalAxisGroup #'minimum-Y-extent = #'(-0.5 . 2.5)
621 \type "Engraver_group"
623 %% don't want to route anything out of here:
626 \consists "Swallow_engraver"
627 \description "Silently discards all musical information given to this context. "
634 \consists "Tab_note_heads_engraver"
635 \remove "Note_heads_engraver"
636 \remove "Fingering_engraver"
637 \remove "New_fingering_engraver"
639 \description "Context for drawing notes in a Tab staff. "
641 %% TabStaff increase the staff-space, which in turn
642 %% increases beam thickness and spacing; beams are
643 %% too big. We have to adjust the beam settings:
644 \override Beam #'thickness = #0.32
645 \override Beam #'length-fraction = #0.62
647 %% No accidental in tablature !
648 \remove Accidental_engraver
656 \consists "Tab_staff_symbol_engraver"
658 \description "Context for generating tablature. [DOCME]"
661 \defaultchild "TabVoice"
664 \override StaffSymbol #'staff-space = #1.5
666 %% Don't draw stems over the tablature figures !
667 \override Stem #'avoid-note-head = ##t
669 %% No accidental in tablature !
670 \remove "Accidental_engraver"
671 \remove "Key_engraver"
672 \remove "String_number_engraver"
673 %% Special "TAB" clef
674 clefGlyph = #"clefs.tab"
678 %% TODO: Gregorian Chant contexts should be moved to gregorian-init.ly,
679 %% but this does not work (is this a bug or intended behaviour?):
681 %% If I try to do so, I get "error: unknown escaped string:
682 %% `\VaticanaStaff'" in params-init.ly. If I also move
683 %% "\context { \Vaticana*Context }" from params-init.ly to the end
684 %% of gregorian-init.ly, then I get "error: parse error, unexpected
685 %% TRANSLATOR: \context { \VaticanaStaff }" in
686 %% gregorian-init.ly. --jr
690 \name "VaticanaVoice"
692 \description "Same as @code{Voice} context, except that it is accommodated for tyepsetting Gregorian Chant in the notational style of Editio Vaticana."
694 \remove "Slur_engraver"
695 \remove "Stem_engraver"
696 \remove "Ligature_bracket_engraver"
697 \consists "Vaticana_ligature_engraver"
699 %% Set default head for notes outside of \[ \].
700 \override NoteHead #'style = #'vaticana.punctum
702 %% Put some space before and after divisiones.
703 %% FIXME: This does not seem to show any effect.
704 \override Script #'padding = #0.5
706 %% There are no beams in Gregorian Chant notation.
709 %% Prepare TextSpanner for \episem{Initium|Finis} use.
711 %% N.B.: dash-fraction MUST be unset; otherwise, TextSpanner will
712 %% always produce dashed lines, regardless of the style property.
714 %% FIXME: The line @code{\override TextSpanner #'padding = #-0.1} is
715 %% required to force the articulation signs being placed vertically
716 %% tightly to the correpsonding note heads.
718 \override TextSpanner #'dash-fraction = #'()
719 \override TextSpanner #'style = #'line
720 \override TextSpanner #'edge-height = #'(0 . 0)
721 \override TextSpanner #'padding = #-0.1
722 \override TextSpanner #'enclose-bounds = #1
723 \override TextSpanner #'edge-text = #'("" . "")
726 %% FIXME: need something like
727 %% \remove "Bar_number_engraver" (which lives on score level)
728 %% for vaticana and gregorian transcription staves
732 \name "VaticanaStaff"
735 \accepts "VaticanaVoice"
736 \defaultchild "VaticanaVoice"
738 \description "Same as @code{Staff} context, except that it is accommodated for tyepsetting Gregorian Chant in the notational style of Editio Vaticana."
740 \remove "Time_signature_engraver"
741 \consists "Custos_engraver"
743 %% We can not remove Bar_engraver; otherwise clefs and custodes will
744 %% not show up any more among other line breaking issues.
745 %% Instead, we make the grob transparent.
746 \override BarLine #'transparent = ##t
748 \override StaffSymbol #'line-count = #4
749 \override StaffSymbol #'thickness = #0.6
751 %% FIXME: unit on StaffSymbol's width should be \linewidth.
752 %% \override StaffSymbol #'width = #60.0
754 %% Choose vaticana do clef on 3rd line as default.
755 clefGlyph = #"clefs.vaticana.do"
760 %% Select vaticana style font.
761 \override KeySignature #'style = #'vaticana
762 \override Accidental #'style = #'vaticana
763 \override Custos #'style = #'vaticana
764 \override Custos #'neutral-position = #3
765 \override Custos #'neutral-direction = #DOWN
770 \name "GregorianTranscriptionVoice"
773 %% Removing ligature bracket engraver without replacing it by some
774 %% other ligature engraver would cause a "Junking event: `LigatureEvent'"
775 %% warning for every "\[" and "\]". Therefore, we make the grob
776 %% transparent instead.
777 \override LigatureBracket #'transparent = ##t
779 %% Put some space before and after divisiones.
780 %% FIXME: This does not seem to show any effect.
781 \override Script #'padding = #0.5
783 %% There are no beams in Gregorian Chant notation.
786 %% Prepare TextSpanner for \episem{Initium|Finis} use.
788 %% N.B.: dash-fraction MUST be unset; otherwise, TextSpanner will
789 %% always produce dashed lines, regardless of the style property.
791 %% FIXME: The line @code{\override TextSpanner #'padding = #-0.1} is
792 %% required to force the articulation signs being placed vertically
793 %% tightly to the correpsonding note heads.
795 \override TextSpanner #'dash-fraction = #'()
796 \override TextSpanner #'style = #'line
797 \override TextSpanner #'edge-height = #'(0 . 0)
798 \override TextSpanner #'padding = #-0.1
799 \override TextSpanner #'enclose-bounds = #1
800 \override TextSpanner #'edge-text = #'("" . "")
805 \name "GregorianTranscriptionStaff"
808 \accepts "GregorianTranscriptionVoice"
809 \defaultchild "GregorianTranscriptionVoice"
811 %% We can not remove Bar_engraver; otherwise clefs and custodes will
812 %% not show up any more among other line breaking issues.
813 %% Instead, we make the grob transparent.
814 \override BarLine #'transparent = ##t
819 \name "MensuralVoice"
821 \description "Same as @code{Voice} context, except that it is accommodated for tyepsetting a piece in mensural style."
823 \remove "Slur_engraver"
824 \remove "Ligature_bracket_engraver"
825 \consists "Mensural_ligature_engraver"
827 %% Set default head for notes outside of \[ \].
828 \override NoteHead #'style = #'petrucci
830 %% There are no beams in mensural notation.
836 \name "MensuralStaff"
839 \defaultchild "MensuralVoice"
840 \accepts "MensuralVoice"
841 \description "Same as @code{Staff} context, except that it is accommodated for tyepsetting a piece in mensural style."
843 \consists "Custos_engraver"
845 %% We can not remove Bar_engraver; otherwise clefs and custodes will
846 %% not show up any more among other line breaking issues.
847 %% Instead, we make the grob transparent.
848 \override BarLine #'transparent = ##t
850 \override StaffSymbol #'thickness = #0.6
852 %% FIXME: unit on StaffSymbol's width should be \linewidth.
853 %% \override StaffSymbol #'width = #60.0
855 %% Choose petrucci g clef on 2nd line as default.
856 clefGlyph = #"clefs.petrucci.g"
857 middleCPosition = #-6
861 %% Select mensural style font.
862 \override TimeSignature #'style = #'mensural
863 \override KeySignature #'style = #'mensural
864 \override Accidental #'style = #'mensural
865 \override Custos #'style = #'mensural
866 \override Custos #'neutral-position = #3
867 \override Custos #'neutral-direction = #DOWN
871 RemoveEmptyRhythmicStaffContext= \context {
873 \remove "Axis_group_engraver"
874 \override VerticalAxisGroup #'remove-empty = ##t
875 \consists "Hara_kiri_engraver"