Imported Upstream version 2.19.45

[lilypond.git] / ly / engraver-init.ly

diff --git a/ly/engraver-init.ly b/ly/engraver-init.ly
index 4d002257fb008657b20d4ed7c79b34ad58c56503..3637871a66a3c555f37be3f8b0dc5cf2fd01fd30 100644 (file)
--- a/ly/engraver-init.ly
+++ b/ly/engraver-init.ly
@@ -1,6 +1,6 @@
 %%%% This file is part of LilyPond, the GNU music typesetter.
 %%%%
 %%%% This file is part of LilyPond, the GNU music typesetter.
 %%%%

-%%%% Copyright (C) 1996--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+%%%% Copyright (C) 1996--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>

 %%%%                          Jan Nieuwenhuizen <janneke@gnu.org>
 %%%%
 %%%% LilyPond is free software: you can redistribute it and/or modify
 %%%%                          Jan Nieuwenhuizen <janneke@gnu.org>
 %%%%
 %%%% LilyPond is free software: you can redistribute it and/or modify


@@ -16,7 +16,7 @@
 %%%% You should have received a copy of the GNU General Public License
 %%%% along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
 %%%% You should have received a copy of the GNU General Public License
 %%%% along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 

-\version "2.17.29"
+\version "2.19.19"

 
 \context {
   \name "Global"
 
 \context {
   \name "Global"


@@ -65,7 +65,7 @@
   \consists "Dot_column_engraver"
   \consists "Staff_collecting_engraver"
 
   \consists "Dot_column_engraver"
   \consists "Staff_collecting_engraver"
 

- %% perhaps move to Voice context?
+  %% perhaps move to Voice context?

   \consists "Ottava_spanner_engraver"
   \consists "Clef_engraver"
   \consists "Key_engraver"
   \consists "Ottava_spanner_engraver"
   \consists "Clef_engraver"
   \consists "Key_engraver"


@@ -86,7 +86,7 @@
   \consists "Cue_clef_engraver"
   \consists "Fingering_column_engraver"
 
   \consists "Cue_clef_engraver"
   \consists "Fingering_column_engraver"
 

-  localKeySignature = #'()
+  localAlterations = #'()

   createSpacing = ##t
   ignoreFiguredBassRest = ##f
 
   createSpacing = ##t
   ignoreFiguredBassRest = ##f
 


@@ -97,9 +97,9 @@
   shortInstrumentName = #'()
 
   \defaultchild "Voice"
   shortInstrumentName = #'()
 
   \defaultchild "Voice"

-  \accepts "Voice"

   \accepts "CueVoice"
   \accepts "NullVoice"
   \accepts "CueVoice"
   \accepts "NullVoice"

+  \accepts "Voice"

 
   \description "Handles clefs, bar lines, keys, accidentals.  It can contain
 @code{Voice} contexts."
 
   \description "Handles clefs, bar lines, keys, accidentals.  It can contain
 @code{Voice} contexts."


@@ -144,15 +144,17 @@
   vocalName = #'()
   shortVocalName = #'()
 
   vocalName = #'()
   shortVocalName = #'()
 

-  \accepts "Staff"
+  \accepts "ChoirStaff"
+  \accepts "ChordNames"

   \accepts "DrumStaff"
   \accepts "DrumStaff"

-  \accepts "RhythmicStaff"
+  \accepts "Dynamics"
+  \accepts "FiguredBass"

   \accepts "GrandStaff"
   \accepts "GrandStaff"

-  \accepts "PianoStaff"

   \accepts "Lyrics"
   \accepts "Lyrics"

-  \accepts "ChordNames"
-  \accepts "FiguredBass"
-  \accepts "ChoirStaff"
+  \accepts "OneStaff"
+  \accepts "PianoStaff"
+  \accepts "RhythmicStaff"
+  \accepts "Staff"

   \accepts "StaffGroup"
   \defaultchild "Staff"
   \description "Identical to @code{StaffGroup} except that the
   \accepts "StaffGroup"
   \defaultchild "Staff"
   \description "Identical to @code{StaffGroup} except that the


@@ -162,11 +164,11 @@ contained staves are not connected vertically."
 \context{
   \type "Engraver_group"
 
 \context{
   \type "Engraver_group"
 

-  localKeySignature = #'()
+  localAlterations = #'()

   createSpacing = ##t
 
   squashedPosition = #0
   createSpacing = ##t
 
   squashedPosition = #0

-  \name RhythmicStaff
+  \name "RhythmicStaff"

   \alias "Staff"
 
   \override VoltaBracket.staff-padding = #3
   \alias "Staff"
 
   \override VoltaBracket.staff-padding = #3


@@ -191,8 +193,9 @@ contained staves are not connected vertically."
   instrumentName = #'()
   shortInstrumentName = #'()
 
   instrumentName = #'()
   shortInstrumentName = #'()
 

-  \accepts "Voice"

   \accepts "CueVoice"
   \accepts "CueVoice"

+  \accepts "NullVoice"
+  \accepts "Voice"

   \defaultchild "Voice"
 
   \description "A context like @code{Staff} but for printing rhythms.
   \defaultchild "Voice"
 
   \description "A context like @code{Staff} but for printing rhythms.


@@ -210,7 +213,8 @@ subscripts, slurs, ties, and rests.
 
 You have to instantiate this explicitly if you want to have
 multiple voices on the same staff."
 
 You have to instantiate this explicitly if you want to have
 multiple voices on the same staff."

-
+  %% Grace_engraver sets properties, it must come first.
+  \consists "Grace_engraver"

   \consists "Font_size_engraver"
 
   \consists "Pitched_trill_engraver"
   \consists "Font_size_engraver"
 
   \consists "Pitched_trill_engraver"


@@ -266,16 +270,16 @@ multiple voices on the same staff."
   \consists "Slur_engraver"
   \consists "Tie_engraver"
   \consists "Tuplet_engraver"
   \consists "Slur_engraver"
   \consists "Tie_engraver"
   \consists "Tuplet_engraver"

-  \consists "Grace_engraver"

   \consists "Instrument_switch_engraver"
 }
 
 \context{
   \Voice
 
   \consists "Instrument_switch_engraver"
 }
 
 \context{
   \Voice
 

-  \name CueVoice
-  \alias Voice
+  \name "CueVoice"
+  \alias "Voice"

   fontSize = #-4
   fontSize = #-4

+  \override NoteHead.ignore-ambitus = ##t

   \override Stem.length-fraction = #(magstep -4)
   \override Beam.length-fraction = #(magstep -4)
   \override Beam.beam-thickness = #0.35
   \override Stem.length-fraction = #(magstep -4)
   \override Beam.length-fraction = #(magstep -4)
   \override Beam.beam-thickness = #0.35


@@ -283,8 +287,8 @@ multiple voices on the same staff."
 
 \context {
   \Voice
 
 \context {
   \Voice

-  \name DrumVoice
-  \alias Voice
+  \name "DrumVoice"
+  \alias "Voice"

 
   \description "A voice on a percussion staff."
   \remove "Arpeggio_engraver"
 
   \description "A voice on a percussion staff."
   \remove "Arpeggio_engraver"


@@ -304,8 +308,8 @@ multiple voices on the same staff."
 
 \context{
   \type "Engraver_group"
 
 \context{
   \type "Engraver_group"

-  \name GrandStaff
-  localKeySignature = #'()
+  \name "GrandStaff"
+  localAlterations = #'()

 
   \description "A group of staves, with a brace on the left
 side, grouping the staves together.  The bar lines of the
 
   \description "A group of staves, with a brace on the left
 side, grouping the staves together.  The bar lines of the


@@ -313,6 +317,9 @@ contained staves are connected vertically."
 
   \consists "Instrument_name_engraver"
   \consists "Span_bar_engraver"
 
   \consists "Instrument_name_engraver"
   \consists "Span_bar_engraver"

+  %% The default for DynamicText.extra-spacing-width causes dynamics to
+  %% be placed across span bars, so switch it off:
+  \override DynamicText.extra-spacing-width = ##f

   \consists "Span_bar_stub_engraver"
   \consists "Span_arpeggio_engraver"
   \consists "System_start_delimiter_engraver"
   \consists "Span_bar_stub_engraver"
   \consists "Span_arpeggio_engraver"
   \consists "System_start_delimiter_engraver"


@@ -324,14 +331,14 @@ contained staves are connected vertically."
   shortInstrumentName = #'()
 
   \defaultchild "Staff"
   shortInstrumentName = #'()
 
   \defaultchild "Staff"

-  \accepts "Staff"
-  \accepts "RhythmicStaff"
+  \accepts "ChordNames"

   \accepts "DrumStaff"
   \accepts "DrumStaff"

-  \accepts "TabStaff"
-  \accepts "Lyrics"
-  \accepts "FiguredBass"

   \accepts "Dynamics"
   \accepts "Dynamics"

-  \accepts "ChordNames"
+  \accepts "FiguredBass"
+  \accepts "Lyrics"
+  \accepts "RhythmicStaff"
+  \accepts "Staff"
+  \accepts "TabStaff"

 }
 
 \context{
 }
 
 \context{


@@ -359,6 +366,9 @@ together, never separately."
 
   \consists "Instrument_name_engraver"
   \consists "Span_bar_engraver"
 
   \consists "Instrument_name_engraver"
   \consists "Span_bar_engraver"

+  %% The default for DynamicText.extra-spacing-width causes dynamics to
+  %% be placed across span bars, so switch it off:
+  \override DynamicText.extra-spacing-width = ##f

   \consists "Span_bar_stub_engraver"
   \consists "Span_arpeggio_engraver"
   \consists "Output_property_engraver"
   \consists "Span_bar_stub_engraver"
   \consists "Span_arpeggio_engraver"
   \consists "Output_property_engraver"


@@ -370,17 +380,19 @@ together, never separately."
   \consists "System_start_delimiter_engraver"
 
   \defaultchild "Staff"
   \consists "System_start_delimiter_engraver"
 
   \defaultchild "Staff"

-  \accepts "Staff"
-  \accepts "RhythmicStaff"
+  \accepts "ChoirStaff"
+  \accepts "ChordNames"

   \accepts "DrumStaff"
   \accepts "DrumStaff"

+  \accepts "FiguredBass"
+  \accepts "FretBoards"

   \accepts "GrandStaff"
   \accepts "GrandStaff"

-  \accepts "PianoStaff"
-  \accepts "TabStaff"

   \accepts "Lyrics"
   \accepts "Lyrics"

-  \accepts "ChordNames"
-  \accepts "FiguredBass"
-  \accepts "ChoirStaff"
+  \accepts "OneStaff"
+  \accepts "PianoStaff"
+  \accepts "RhythmicStaff"
+  \accepts "Staff"

   \accepts "StaffGroup"
   \accepts "StaffGroup"

+  \accepts "TabStaff"

 
   \description "Groups staves while adding a bracket on the left
 side, grouping the staves together.  The bar lines of the contained
 
   \description "Groups staves while adding a bracket on the left
 side, grouping the staves together.  The bar lines of the contained


@@ -390,8 +402,37 @@ a collection of staves, with a bracket in front and spanning bar lines."
 
 \context {
   \type "Engraver_group"
 
 \context {
   \type "Engraver_group"

-  \name Dynamics
-  \alias Voice
+  \name "OneStaff"
+  \accepts "ChordNames"
+  \accepts "DrumStaff"
+  \accepts "Dynamics"
+  \accepts "FiguredBass"
+  \accepts "FretBoards"
+  \accepts "GregorianTranscriptionStaff"
+  \accepts "KievanStaff"
+  \accepts "Lyrics"
+  \accepts "MensuralStaff"
+  \accepts "NoteNames"
+  \accepts "PetrucciStaff"
+  \accepts "RhythmicStaff"
+  \accepts "Staff"
+  \accepts "TabStaff"
+  \accepts "VaticanaStaff"
+  \defaultchild "Staff"
+  \consists "Axis_group_engraver"
+
+  \description "Provides a common axis for the contained staves,
+making all of them appear in the same vertical space.  This can be
+useful for typesetting staves of different types in immediate succession
+or for temporarily changing the character of one staff or overlaying
+it with a different one.  Often used with @code{\\stopStaff} and
+@code{\\startStaff} for best results."
+}
+
+\context {
+  \type "Engraver_group"
+  \name "Dynamics"
+  \alias "Voice"

   \consists "Output_property_engraver"
   \consists "Bar_engraver"
   \consists "Piano_pedal_engraver"
   \consists "Output_property_engraver"
   \consists "Bar_engraver"
   \consists "Piano_pedal_engraver"


@@ -414,13 +455,6 @@ a collection of staves, with a bracket in front and spanning bar lines."
   \override DynamicLineSpanner.outside-staff-priority = ##f
   \override DynamicText.outside-staff-priority = ##f
   \override Hairpin.outside-staff-priority = ##f
   \override DynamicLineSpanner.outside-staff-priority = ##f
   \override DynamicText.outside-staff-priority = ##f
   \override Hairpin.outside-staff-priority = ##f

-  \override DynamicText.X-offset =
-  #(ly:make-simple-closure
-    `(,+
-      ,(ly:make-simple-closure
-         (list ly:self-alignment-interface::centered-on-note-columns))
-      ,(ly:make-simple-closure
-        (list ly:self-alignment-interface::x-aligned-on-self))))

 
   \description "Holds a single line of dynamics, which will be
 centered between the staves surrounding this context."
 
   \description "Holds a single line of dynamics, which will be
 centered between the staves surrounding this context."


@@ -456,9 +490,9 @@ printing of a single line of lyrics."
        (stretchability . 1))
   \override VerticalAxisGroup.nonstaff-nonstaff-spacing =
      #'((basic-distance . 0)
        (stretchability . 1))
   \override VerticalAxisGroup.nonstaff-nonstaff-spacing =
      #'((basic-distance . 0)

-       (minimum-distance . 2.8)
-       (padding . 0.2)
-       (stretchability . 0))
+        (minimum-distance . 2.8)
+        (padding . 0.2)
+        (stretchability . 0))

   \override VerticalAxisGroup.nonstaff-unrelatedstaff-spacing.padding = #1.5
   \override InstrumentName.self-alignment-Y = ##f
 
   \override VerticalAxisGroup.nonstaff-unrelatedstaff-spacing.padding = #1.5
   \override InstrumentName.self-alignment-Y = ##f
 


@@ -473,7 +507,7 @@ printing of a single line of lyrics."
 
 \context {
   \type "Engraver_group"
 
 \context {
   \type "Engraver_group"

-  \name NoteNames
+  \name "NoteNames"

   \description "A context for printing the names of notes."
   \consists "Axis_group_engraver"
 
   \description "A context for printing the names of notes."
   \consists "Axis_group_engraver"
 


@@ -496,20 +530,23 @@ printing of a single line of lyrics."
 
 \context {
   \type "Engraver_group"
 
 \context {
   \type "Engraver_group"

-  \name ChordNames
+  \name "ChordNames"
+  \alias Staff                 % Catch Staff-level overrides like
+                               % \key, \transposition

   \description "Typesets chord names."
 
   \consists "Output_property_engraver"
   \consists "Separating_line_group_engraver"
   \consists "Chord_name_engraver"
   \consists "Axis_group_engraver"
   \description "Typesets chord names."
 
   \consists "Output_property_engraver"
   \consists "Separating_line_group_engraver"
   \consists "Chord_name_engraver"
   \consists "Axis_group_engraver"

-%  \consists "Note_spacing_engraver"
+  %\consists "Note_spacing_engraver"

 
   \override VerticalAxisGroup.remove-first = ##t
   \override VerticalAxisGroup.remove-empty = ##t
   \override VerticalAxisGroup.staff-affinity = #DOWN
   \override VerticalAxisGroup.nonstaff-relatedstaff-spacing.padding = #0.5
   \override VerticalAxisGroup.nonstaff-nonstaff-spacing.padding = #0.5
 
   \override VerticalAxisGroup.remove-first = ##t
   \override VerticalAxisGroup.remove-empty = ##t
   \override VerticalAxisGroup.staff-affinity = #DOWN
   \override VerticalAxisGroup.nonstaff-relatedstaff-spacing.padding = #0.5
   \override VerticalAxisGroup.nonstaff-nonstaff-spacing.padding = #0.5

+  \override ParenthesesItem.font-size = #1.5

 }
 
 \context {
 }
 
 \context {


@@ -540,7 +577,7 @@ automatically when an output definition (a @code{\\score} or
   %% Timing variables in layout definitions before any
   %% Timing_translator has been run.
 
   %% Timing variables in layout definitions before any
   %% Timing_translator has been run.
 

-  % timing translator must come BEFORE bar number engraver
+  %% timing translator must come BEFORE bar number engraver

   \consists "Timing_translator"
   \consists "Default_bar_line_engraver"
   \consists "Output_property_engraver"
   \consists "Timing_translator"
   \consists "Default_bar_line_engraver"
   \consists "Output_property_engraver"


@@ -562,25 +599,27 @@ automatically when an output definition (a @code{\\score} or
 
   \defaultchild "Staff"
 
 
   \defaultchild "Staff"
 

+  \accepts "ChoirStaff"
+  \accepts "ChordNames"
+  \accepts "Devnull"
+  \accepts "DrumStaff"
+  \accepts "Dynamics"
+  \accepts "FiguredBass"

   \accepts "FretBoards"
   \accepts "FretBoards"

-  \accepts "Staff"
-  \accepts "RhythmicStaff"
-  \accepts "TabStaff"
-  \accepts "VaticanaStaff"
+  \accepts "GrandStaff"

   \accepts "GregorianTranscriptionStaff"
   \accepts "GregorianTranscriptionStaff"

-  \accepts "MensuralStaff"
-  \accepts "PetrucciStaff"
-  \accepts "StaffGroup"
-  \accepts "DrumStaff"

   \accepts "KievanStaff"
   \accepts "Lyrics"
   \accepts "KievanStaff"
   \accepts "Lyrics"

-  \accepts "ChordNames"
-  \accepts "GrandStaff"
-  \accepts "ChoirStaff"
-  \accepts "PianoStaff"
-  \accepts "Devnull"
+  \accepts "MensuralStaff"

   \accepts "NoteNames"
   \accepts "NoteNames"

-  \accepts "FiguredBass"
+  \accepts "OneStaff"
+  \accepts "PetrucciStaff"
+  \accepts "PianoStaff"
+  \accepts "RhythmicStaff"
+  \accepts "Staff"
+  \accepts "StaffGroup"
+  \accepts "TabStaff"
+  \accepts "VaticanaStaff"

 
   noteToFretFunction = #determine-frets
   predefinedDiagramTable = ##f
 
   noteToFretFunction = #determine-frets
   predefinedDiagramTable = ##f


@@ -593,6 +632,7 @@ automatically when an output definition (a @code{\\score} or
 
   drumStyleTable = #drums-style
 
 
   drumStyleTable = #drums-style
 

+  associatedVoiceType = #'Voice

   melismaBusyProperties = #default-melisma-properties
   tieWaitForNote = ##f
   clefGlyph = #"clefs.G"
   melismaBusyProperties = #default-melisma-properties
   tieWaitForNote = ##f
   clefGlyph = #"clefs.G"


@@ -608,6 +648,7 @@ automatically when an output definition (a @code{\\score} or
   doubleRepeatType = #":..:"
   startRepeatType = #".|:"
   endRepeatType = #":|."
   doubleRepeatType = #":..:"
   startRepeatType = #".|:"
   endRepeatType = #":|."

+  alternativeRestores = #'(measurePosition measureLength lastChord)

   barNumberVisibility = #first-bar-number-invisible-and-no-parenthesized-bar-numbers
   barNumberFormatter = #robust-bar-number-function
   clefTranspositionFormatter = #clef-transposition-markup
   barNumberVisibility = #first-bar-number-invisible-and-no-parenthesized-bar-numbers
   barNumberFormatter = #robust-bar-number-function
   clefTranspositionFormatter = #clef-transposition-markup


@@ -617,13 +658,13 @@ automatically when an output definition (a @code{\\score} or
   explicitClefVisibility = #all-visible
   explicitCueClefVisibility = #end-of-line-invisible
   explicitKeySignatureVisibility = #all-visible
   explicitClefVisibility = #all-visible
   explicitCueClefVisibility = #end-of-line-invisible
   explicitKeySignatureVisibility = #all-visible

-  implicitTimeSignatureVisibility = #end-of-line-invisible
+  initialTimeSignatureVisibility = #end-of-line-invisible

 
   repeatCountVisibility = #all-repeat-counts-visible
 
 
   repeatCountVisibility = #all-repeat-counts-visible
 

-%% Other Timing variables are derived and set by the Timing_translator
-%% at initialization time by calling the functions in
-%% scm/time-signature-settings.scm
+  %% Other Timing variables are derived and set by the Timing_translator
+  %% at initialization time by calling the functions in
+  %% scm/time-signature-settings.scm

 
   timeSignatureSettings = #default-time-signature-settings
   timeSignatureFraction = 4/4
 
   timeSignatureSettings = #default-time-signature-settings
   timeSignatureFraction = 4/4


@@ -633,6 +674,8 @@ automatically when an output definition (a @code{\\score} or
   autoBeaming = ##t
   autoBeamCheck = #default-auto-beam-check
 
   autoBeaming = ##t
   autoBeamCheck = #default-auto-beam-check
 

+  completionFactor = #unity-if-multimeasure
+

   scriptDefinitions = #default-script-alist
 
   pedalSustainStrings = #'("Ped." "*Ped." "*")
   scriptDefinitions = #default-script-alist
 
   pedalSustainStrings = #'("Ped." "*Ped." "*")


@@ -640,10 +683,10 @@ automatically when an output definition (a @code{\\score} or
   pedalUnaCordaStrings = #'("una corda" "" "tre corde")
   pedalUnaCordaStyle = #'text
 
   pedalUnaCordaStrings = #'("una corda" "" "tre corde")
   pedalUnaCordaStyle = #'text
 

-%% These are in ordinary italic font, including the *,
-%% but they are unlikely to be used,
-%% as the default pedal-style for SostenutoPedal is 'mixed':
-%% i.e.  Sost. Ped_____________________
+  %% These are in ordinary italic font, including the *,
+  %% but they are unlikely to be used,
+  %% as the default pedal-style for SostenutoPedal is 'mixed':
+  %% i.e.  Sost. Ped_____________________

   pedalSostenutoStrings = #'("Sost. Ped." "*Sost. Ped." "*")
   pedalSostenutoStyle = #'mixed
 
   pedalSostenutoStrings = #'("Sost. Ped." "*Sost. Ped." "*")
   pedalSostenutoStyle = #'mixed
 


@@ -670,7 +713,7 @@ automatically when an output definition (a @code{\\score} or
 
   barCheckSynchronize = ##f
 
 
   barCheckSynchronize = ##f
 

-%% chord names:
+  %% chord names:

   chordNameFunction = #ignatzek-chord-names
   minorChordModifier = #(make-simple-markup "m")
   additionalPitchPrefix = #"" % was "add"
   chordNameFunction = #ignatzek-chord-names
   minorChordModifier = #(make-simple-markup "m")
   additionalPitchPrefix = #"" % was "add"


@@ -686,16 +729,12 @@ automatically when an output definition (a @code{\\score} or
   chordNameExceptionsPartial = #partialJazzExceptions
   noChordSymbol = #(make-simple-markup "N.C.")
 
   chordNameExceptionsPartial = #partialJazzExceptions
   noChordSymbol = #(make-simple-markup "N.C.")
 

-  bassStaffProperties = #'((assign clefGlyph "clefs.F")
-  (assign clefPosition 2)
-  (assign middleCPosition 6)
-  (assign middleCClefPosition 6))
-%% tablature:
+  %% tablature:

   stringOneTopmost = ##t
   highStringOne = ##t
 
   stringOneTopmost = ##t
   highStringOne = ##t
 

-%% One may change the string tunings as follows :
-%% The length of the list must be equal to the number of strings
+  %% One may change the string tunings as follows :
+  %% The length of the list must be equal to the number of strings

   stringTunings = #guitar-tuning
   tablatureFormat = #fret-number-tablature-format
   tabStaffLineLayoutFunction = #tablature-position-on-lines
   stringTunings = #guitar-tuning
   tablatureFormat = #fret-number-tablature-format
   tabStaffLineLayoutFunction = #tablature-position-on-lines


@@ -722,7 +761,7 @@ automatically when an output definition (a @code{\\score} or
     ;; need this, as stanza numbers are items, and appear only once.
     stanza-number-interface
   )
     ;; need this, as stanza numbers are items, and appear only once.
     stanza-number-interface
   )

-  % \quoteDuring is supposed to quote everything, cueDuring only the essentials
+  %% \quoteDuring is supposed to quote everything, cueDuring only the essentials

   quotedEventTypes = #'(StreamEvent)
   quotedCueEventTypes = #'(
     note-event
   quotedEventTypes = #'(StreamEvent)
   quotedCueEventTypes = #'(
     note-event


@@ -760,7 +799,7 @@ automatically when an output definition (a @code{\\score} or
   \name "Devnull"
   \type "Engraver_group"
 
   \name "Devnull"
   \type "Engraver_group"
 

-%% don't want to route anything out of here:
+  %% don't want to route anything out of here:

   \alias "Staff"
   \alias "Voice"
   \description "Silently discards all musical information given to this
   \alias "Staff"
   \alias "Voice"
   \description "Silently discards all musical information given to this


@@ -770,54 +809,37 @@ context."
 \context {
   \name "NullVoice"
   \type "Engraver_group"
 \context {
   \name "NullVoice"
   \type "Engraver_group"

-
-  \description "Non-printing context, typically used for aligning
-lyrics in polyphonic situations, or with @code{\partcombine}."
+  \description "For aligning lyrics without printing notes"

 
   %% don't route anything out of here
   \alias "Staff"
   \alias "Voice"
 
 
   %% don't route anything out of here
   \alias "Staff"
   \alias "Voice"
 

-  %% all three are needed for ties to work with lyrics
+  %% provide non-printing NoteHeads with proper extents for lyric alignment

   \consists "Note_heads_engraver"
   \consists "Note_heads_engraver"

-  \consists "Rhythmic_column_engraver"
-  \consists "Tie_engraver"
+  \omit NoteHead
+  \override NoteHead.X-extent = #(lambda (g)
+    (ly:stencil-extent (ly:note-head::print g) X))

 
 

-  %% both are needed for melismas to work with \autoBeamOff
-  \consists "Beam_engraver"
-  \consists "Stem_engraver"
-
-  %% needed for slurs to work with lyrics
-  \consists "Slur_engraver"
+  %% generate no accidentals
+  nullAccidentals = ##t

 
   %% keep noteheads inside the staff
   \consists "Pitch_squash_engraver"
   squashedPosition = 0
 
 
   %% keep noteheads inside the staff
   \consists "Pitch_squash_engraver"
   squashedPosition = 0
 

-  %% `\omit NoteHead' would give slur attachment errors
-  \omit Accidental
+  %% generate no ledger lines, needed for staves with custom
+  %% line positions and ledger lines that appear inside the staff
+  \override NoteHead.no-ledgers = ##t
+
+  %% the engravers that control the 'busy' flags for note-onsets and melismata
+  \consists "Grob_pq_engraver"
+  \consists "Tie_engraver"
+  \omit Tie
+  \consists "Beam_engraver"

   \omit Beam
   \omit Beam

-  \omit Dots
-  \omit Flag
-  \omit Rest
+  \consists "Slur_engraver"

   \omit Slur
   \omit Slur

-  \omit Stem
-  \omit Tie
-
-  %% let these take up space (for lyric extenders, etc.)
-  \override NoteHead.transparent = ##t
-  \override TabNoteHead.transparent = ##t
-
-  %% don't let notes shift
-  \override NoteHead.X-offset = 0
-  \override NoteColumn.ignore-collision = ##t
-
-  %% keep beams and stems inside the staff
-  \override Beam.positions = #'(1 . 1)
-  \override Stem.length = 0
-
-  %% prevent "weird stem size" warnings
-  \override Stem.direction = #UP

 }
 
 \context {
 }
 
 \context {


@@ -937,9 +959,9 @@ contexts and handles the line spacing, the tablature clef etc. properly."
   %% the direction for glissando lines will be automatically corrected
   \override Glissando.extra-dy = #glissando::calc-tab-extra-dy
   \override Glissando.bound-details.right = #`((attach-dir . ,LEFT)
   %% the direction for glissando lines will be automatically corrected
   \override Glissando.extra-dy = #glissando::calc-tab-extra-dy
   \override Glissando.bound-details.right = #`((attach-dir . ,LEFT)

-                                                  (padding . 0.3))
+                                                   (padding . 0.3))

   \override Glissando.bound-details.left = #`((attach-dir . ,RIGHT)
   \override Glissando.bound-details.left = #`((attach-dir . ,RIGHT)

-                                                  (padding . 0.3))
+                                                   (padding . 0.3))

   %% dead notes
   \override TabNoteHead.glyph-name = #tab-note-head::calc-glyph-name
   \override TabNoteHead.stencil = #tab-note-head::whiteout-if-style-set
   %% dead notes
   \override TabNoteHead.glyph-name = #tab-note-head::calc-glyph-name
   \override TabNoteHead.stencil = #tab-note-head::whiteout-if-style-set


@@ -1031,7 +1053,6 @@ of Editio Vaticana."
 
   %% There are no beams in Gregorian Chant notation.
   autoBeaming = ##f
 
   %% There are no beams in Gregorian Chant notation.
   autoBeaming = ##f

-

 }
 
 \context {
 }
 
 \context {


@@ -1101,6 +1122,7 @@ accommodated for typesetting a piece in mensural style."
   \override TimeSignature.style = #'mensural
   \override KeySignature.glyph-name-alist = #alteration-mensural-glyph-name-alist
   \override Accidental.glyph-name-alist = #alteration-mensural-glyph-name-alist
   \override TimeSignature.style = #'mensural
   \override KeySignature.glyph-name-alist = #alteration-mensural-glyph-name-alist
   \override Accidental.glyph-name-alist = #alteration-mensural-glyph-name-alist

+  \override AccidentalSuggestion.glyph-name-alist = #alteration-mensural-glyph-name-alist

   \override Custos.style = #'mensural
   \override Custos.neutral-position = #3
   \override Custos.neutral-direction = #DOWN
   \override Custos.style = #'mensural
   \override Custos.neutral-position = #3
   \override Custos.neutral-direction = #DOWN


@@ -1127,7 +1149,7 @@ accommodated for typesetting a piece in Petrucci style."
   \override NoteHead.style = #'petrucci
   \override Rest.style = #'mensural
 
   \override NoteHead.style = #'petrucci
   \override Rest.style = #'mensural
 

-  % Thickens and shortens stems.
+  %% Thickens and shortens stems.

   \override Stem.thickness = #1.7
   \override Stem.length = #5
 
   \override Stem.thickness = #1.7
   \override Stem.length = #5
 


@@ -1169,58 +1191,58 @@ accommodated for typesetting a piece in Petrucci style."
 }
 
 \context {
 }
 
 \context {

- \Voice
- \name "KievanVoice"
- \alias "Voice"
- \description "Same as @code{Voice} context, except that it is
+  \Voice
+  \name "KievanVoice"
+  \alias "Voice"
+  \description "Same as @code{Voice} context, except that it is

 accommodated for typesetting a piece in Kievan style."
 
   \remove "Ligature_bracket_engraver"
   \consists "Kievan_ligature_engraver"
 
 accommodated for typesetting a piece in Kievan style."
 
   \remove "Ligature_bracket_engraver"
   \consists "Kievan_ligature_engraver"
 

- %% Set glyph styles.
- \override NoteHead.style = #'kievan
- \override Stem.X-offset = #stem::kievan-offset-callback
- \override Stem.stencil = ##f
- \override Flag.stencil = ##f
- \override Rest.style = #'mensural
- \override Accidental.glyph-name-alist = #alteration-kievan-glyph-name-alist
- \override Dots.style = #'kievan
- \override Slur.stencil = ##f
- \override Stem.length = #0.0
- \override Beam.positions = #beam::get-kievan-positions
- \override Beam.quantized-positions = #beam::get-kievan-quantized-positions
- \override NoteHead.duration-log = #note-head::calc-kievan-duration-log
-
- %% There are beams in Kievan notation, but they are invoked manually
- autoBeaming = ##f
+  %% Set glyph styles.
+  \override NoteHead.style = #'kievan
+  \override Stem.X-offset = #stem::kievan-offset-callback
+  \override Stem.stencil = ##f
+  \override Flag.stencil = ##f
+  \override Rest.style = #'mensural
+  \override Accidental.glyph-name-alist = #alteration-kievan-glyph-name-alist
+  \override Dots.style = #'kievan
+  \override Slur.stencil = ##f
+  \override Stem.length = #0.0
+  \override Beam.positions = #beam::get-kievan-positions
+  \override Beam.quantized-positions = #beam::get-kievan-quantized-positions
+  \override NoteHead.duration-log = #note-head::calc-kievan-duration-log
+
+  %% There are beams in Kievan notation, but they are invoked manually
+  autoBeaming = ##f

 }
 
 \context {
 }
 
 \context {

- \Staff
- \name "KievanStaff"
- \alias "Staff"
- \denies "Voice"
- \defaultchild "KievanVoice"
- \accepts "KievanVoice"
- \description "Same as @code{Staff} context, except that it is
+  \Staff
+  \name "KievanStaff"
+  \alias "Staff"
+  \denies "Voice"
+  \defaultchild "KievanVoice"
+  \accepts "KievanVoice"
+  \description "Same as @code{Staff} context, except that it is

 accommodated for typesetting a piece in Kievan style."
 
 accommodated for typesetting a piece in Kievan style."
 

- \remove "Time_signature_engraver"
-
- %% Choose Kievan tsefaut clef
- clefGlyph = #"clefs.kievan.do"
- middleCClefPosition = #0
- middleCPosition = #0
- clefPosition = #0
- clefTransposition = #0
-
- %% Accidentals are valid only once (if the following note is different)
- extraNatural = ##f
- autoAccidentals = #`(Staff ,(make-accidental-rule 'same-octave 0)
-                            ,neo-modern-accidental-rule)
- autoCautionaries = #'()
- printKeyCancellation = ##f
+  \remove "Time_signature_engraver"
+
+  %% Choose Kievan tsefaut clef
+  clefGlyph = #"clefs.kievan.do"
+  middleCClefPosition = #0
+  middleCPosition = #0
+  clefPosition = #0
+  clefTransposition = #0
+
+  %% Accidentals are valid only once (if the following note is different)
+  extraNatural = ##f
+  autoAccidentals = #`(Staff ,(make-accidental-rule 'same-octave 0)
+                             ,neo-modern-accidental-rule)
+  autoCautionaries = #'()
+  printKeyCancellation = ##f

 
 }
 
 
 }