+fermataMarkup =
+#(make-music 'MultiMeasureTextEvent
+ ;; Set the 'text based on the 'direction
+ 'text (make-fermata-markup)
+ 'tweaks '((outside-staff-priority . 40)
+ (outside-staff-padding . 0)))
+
+%% font sizes
+
+teeny = \set fontSize = #-3
+tiny = \set fontSize = #-2
+small = \set fontSize = #-1
+normalsize = \set fontSize = #0
+large = \set fontSize = #1
+huge = \set fontSize = #2
+
+
+%% glissando
+
+glissando = #(make-music 'GlissandoEvent)
+
+
+%% harmonics
+
+harmonicsOn =
+#(define-music-function (parser location) ()
+ (_i "Set the default note head style to a diamond-shaped style.")
+ (override-head-style '(NoteHead TabNoteHead) 'harmonic))
+harmonicsOff = \defaultNoteHeads
+harmonicNote =
+#(define-music-function (parser location note) (ly:music?)
+ (_i "Print @var{note} with a diamond-shaped note head.")
+ (style-note-heads 'NoteHead 'harmonic note))
+
+
+%% hideNotes
+
+hideNotes = {
+ % hide notes, accidentals, etc.
+ \override Dots.transparent = ##t
+ \override NoteHead.transparent = ##t
+ \override NoteHead.no-ledgers = ##t
+ % assume that any Beam inherits transparency from its parent Stem
+ \override Stem.transparent = ##t
+ \override Accidental.transparent = ##t
+ \override Rest.transparent = ##t
+ \override TabNoteHead.transparent = ##t
+}
+unHideNotes = {
+ \revert Accidental.transparent
+ \revert Stem.transparent
+ \revert NoteHead.transparent
+ \revert NoteHead.no-ledgers
+ \revert Dots.transparent
+ \revert Rest.transparent
+ \revert TabNoteHead.transparent
+}
+
+
+%% improvisation
+
+improvisationOn = {
+ \set squashedPosition = #0
+ \override NoteHead.style = #'slash
+ \override Accidental.stencil = ##f
+ \override AccidentalCautionary.stencil = ##f
+}
+improvisationOff = {
+ \unset squashedPosition
+ \revert NoteHead.style
+ \revert Accidental.stencil
+ \revert AccidentalCautionary.stencil
+}
+
+%% kievan
+kievanOn = {
+ \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
+}
+kievanOff = {
+ \revert NoteHead.style
+ \revert Stem.X-offset
+ \revert Stem.stencil
+ \revert Rest.style
+ \revert Accidental.glyph-name-alist
+ \revert Dots.style
+ \revert Slur.stencil
+ \revert Flag.stencil
+ \revert Stem.length
+ \revert Beam.positions
+ \revert Beam.quantized-positions
+ \revert NoteHead.duration-log
+}
+
+%% merging
+
+mergeDifferentlyDottedOn =
+ \override Staff.NoteCollision.merge-differently-dotted = ##t
+mergeDifferentlyDottedOff =
+ \revert Staff.NoteCollision.merge-differently-dotted
+mergeDifferentlyHeadedOn =
+ \override Staff.NoteCollision.merge-differently-headed = ##t
+mergeDifferentlyHeadedOff =
+ \revert Staff.NoteCollision.merge-differently-headed
+
+
+%% numeric time signature
+
+numericTimeSignature = \override Staff.TimeSignature.style = #'numbered
+defaultTimeSignature = \revert Staff.TimeSignature.style
+
+
+%% palm mutes
+
+palmMuteOn =
+#(define-music-function (parser location) ()
+ (_i "Set the default note head style to a triangle-shaped style.")
+ (override-head-style 'NoteHead 'do))
+palmMuteOff = \defaultNoteHeads
+palmMute =
+#(define-music-function (parser location note) (ly:music?)
+ (_i "Print @var{note} with a triangle-shaped note head.")
+ (style-note-heads 'NoteHead 'do note))
+
+
+%% phrasing slurs
+
+% directions
+phrasingSlurUp = \override PhrasingSlur.direction = #UP
+phrasingSlurDown = \override PhrasingSlur.direction = #DOWN
+phrasingSlurNeutral = \revert PhrasingSlur.direction
+
+% dash-patterns (make-simple-dash-definition defined at top of file)
+phrasingSlurDashPattern =
+#(define-music-function (parser location dash-fraction dash-period)
+ (number? number?)
+ (_i "Set up a custom style of dash pattern for @var{dash-fraction} ratio of
+line to space repeated at @var{dash-period} interval for phrasing slurs.")
+ #{
+ \override PhrasingSlur.dash-definition =
+ $(make-simple-dash-definition dash-fraction dash-period)
+ #})
+phrasingSlurDashed =
+ \override PhrasingSlur.dash-definition = #'((0 1 0.4 0.75))
+phrasingSlurDotted =
+ \override PhrasingSlur.dash-definition = #'((0 1 0.1 0.75))
+phrasingSlurHalfDashed =
+ \override PhrasingSlur.dash-definition = #'((0 0.5 0.4 0.75)
+ (0.5 1 1 1))
+phrasingSlurHalfSolid =
+ \override PhrasingSlur.dash-definition = #'((0 0.5 1 1)
+ (0.5 1 0.4 0.75))
+phrasingSlurSolid =
+ \revert PhrasingSlur.dash-definition
+
+
+%% point and click
+
+pointAndClickOn =
+#(define-void-function (parser location) ()
+ (_i "Enable generation of code in final-format (e.g. pdf) files to reference the
+originating lilypond source statement;
+this is helpful when developing a score but generates bigger final-format files.")
+ (ly:set-option 'point-and-click #t))
+
+pointAndClickOff =
+#(define-void-function (parser location) ()
+ (_i "Suppress generating extra code in final-format (e.g. pdf) files to point
+back to the lilypond source statement.")
+ (ly:set-option 'point-and-click #f))
+
+pointAndClickTypes =
+#(define-void-function (parser location types) (symbol-list-or-symbol?)
+ (_i "Set a type or list of types (such as @code{#'note-event}) for which point-and-click info is generated.")
+ (ly:set-option 'point-and-click types))
+
+%% predefined fretboards
+
+predefinedFretboardsOff =
+ \set predefinedDiagramTable = ##f
+predefinedFretboardsOn =
+ \set predefinedDiagramTable = #default-fret-table
+
+
+%% shape note heads
+
+aikenHeads = \set shapeNoteStyles = ##(do re miMirror fa sol la ti)
+aikenHeadsMinor = \set shapeNoteStyles = ##(la ti do re miMirror fa sol)
+funkHeads =
+ \set shapeNoteStyles = ##(doFunk reFunk miFunk faFunk solFunk laFunk tiFunk)
+funkHeadsMinor =
+ \set shapeNoteStyles = ##(laFunk tiFunk doFunk reFunk miFunk faFunk solFunk)
+sacredHarpHeads = \set shapeNoteStyles = ##(fa sol la fa sol la mi)
+sacredHarpHeadsMinor = \set shapeNoteStyles = ##(la mi fa sol la fa sol)
+southernHarmonyHeads =
+ \set shapeNoteStyles = ##(faThin sol laThin faThin sol laThin miThin)
+southernHarmonyHeadsMinor =
+ \set shapeNoteStyles = ##(laThin miThin faThin sol laThin faThin sol)
+walkerHeads =
+ \set shapeNoteStyles = ##(doWalker reWalker miWalker faWalker solFunk laWalker tiWalker)
+walkerHeadsMinor =
+ \set shapeNoteStyles = ##(laWalker tiWalker doWalker reWalker miWalker faWalker solFunk)
+
+
+%% shifts
+
+shiftOn = \override NoteColumn.horizontal-shift = #1
+shiftOnn = \override NoteColumn.horizontal-shift = #2
+shiftOnnn = \override NoteColumn.horizontal-shift = #3
+shiftOff = \revert NoteColumn.horizontal-shift
+
+
+%% slurs
+
+% directions
+slurUp = \override Slur.direction = #UP
+slurDown = \override Slur.direction = #DOWN
+slurNeutral = \revert Slur.direction
+
+% dash-patterns (make-simple-dash-definition defined at top of file)
+slurDashPattern =
+#(define-music-function (parser location dash-fraction dash-period)
+ (number? number?)
+ (_i "Set up a custom style of dash pattern for @var{dash-fraction}
+ratio of line to space repeated at @var{dash-period} interval for slurs.")
+ #{
+ \override Slur.dash-definition =
+ $(make-simple-dash-definition dash-fraction dash-period)
+ #})
+slurDashed = \override Slur.dash-definition = #'((0 1 0.4 0.75))
+slurDotted = \override Slur.dash-definition = #'((0 1 0.1 0.75))
+slurHalfDashed = \override Slur.dash-definition = #'((0 0.5 0.4 0.75)
+ (0.5 1 1 1))
+slurHalfSolid = \override Slur.dash-definition = #'((0 0.5 1 1)
+ (0.5 1 0.4 0.75))
+slurSolid = \revert Slur.dash-definition
+
+
+%% staff switches