Warning, /frameworks/syntax-highlighting/autotests/input/highlight.ly is written in an unsupported language. File is not indexed.

 % This is a file to test the Lilypond highlighting features of Katepart.
 % This is NOT a valid lilypond file, because it also shows the
 % highlighting of some invalid lilypond constructs!
 % This is a line comment.
 
 %{
 this is a block comment, that can occur inside a line, or across
 multiple lines.
 %}
 
 \header {
   title = "Katepart Lilypond syntax highlighting test file"
   composer = %{"Wilbert Berendsen"%} "Anonymus"
   poet = "The KDE team"
   opus = "1"
   copyright = "Share and enjoy!"
 }
 
 \paper {
   #(set-paper-size "a4")  % a hash introduces scheme
   indent = 0              % recognize variable names inside \paper, \layout etc.
   between-system-space = 3\mm
 }
 
 \layout {
   \context {
     \Score
     \remove Bar_number_engraver   % recognize engraver names
     \remove "Bar_number_engraver" % also when quoted!
   }
 }
 
 % { and << block are folded
 \score {
   \new StaffGroup <<
     \new ChordNames \chordmode { c2sus4/f g2/d c1 }
     \new Staff \new Voice ="mel" {
       \key f \major
       \time 4/4
       \partial 4
       \set Staff.instrumentName = "Bla."
       \once \override Staff.NoteHead #'color = #red
       % dynamics, articulations and markup
       c8\p d\< e-. f-> g a\f c-5\markup {Hoi}
       \notemode { c d e f }
       \repeat volta 2 {
         % complex durations are highlighted:
         g4*2/3
       }
       \times 2/3 {e8 f g}
       % there is some error checking:
       % often made mistake to have octavemarks after the duration:
       c2'
       % invalid durations are caught:
       g3
     }
     \context Lyrics \lyricsto "mel" {
       \set fontSize = #1
       this is a line of ly -- rics.
       with4 dur -- a -- tions.2.
       % errors like forgetting spaces are found:
       space-- flight %{i.s.o.%} space -- flight
       space at end for -- got -- ten as well.}
     
     \new DrumStaff \drummode { hihat4 bassdrum8 }
     \new FiguredBass \figuremode {
       <5 4>8 <6->
     }
   >>
   \midi {
     \context {
       \Score
       tempoWholesPerMinute = #(ly:make-moment 60 2)
     }
   }
 }
 
 av = #(define-music-function (parser location voice)
 (string?)
 ; scheme comments are recognized in scheme
 ; Lilypond inside scheme works as well:
 #{
   \set associatedVoice = $voice
 #})
 
 
 
       
 % inside scheme some elements are highlighted:    
 #(define  (naturalise-pitch p)
   (let* ((o (ly:pitch-octave p))
          (a (* 4 (ly:pitch-alteration p))) 
          (n (ly:pitch-notename p)))
          (bla 'ArticulationEvent 'ChoirStaff)
     (cond
      ((> a 2) (set! a (- a 4)) (set! n (+ n 1)))
      ((< a -2) (set! a (+ a 4)) (set! n (- n 1))))
 
     (if (< n 0) (begin (set!  o (- o 1)) (set! n (+ n 7))))
     (if (> n 6) (begin (set!  o (+ o 1)) (set! n (- n 7))))
 
     (ly:make-pitch o n (/ a 4))))
 
 % markup is also highlighted
 \markup {
   \line {
     text test Voice Staff % note Lilypond keywords are not highlighted here
   }
   \score { \relative c' { <ceg>2( d) } }
   \italic bla
   \override #'(baseline-skip . 2) {
     \underline blu
   }
 }