That's expected behaviour and standard typesetting practice. On long
melismas, LilyPond will add a number of regularly spaced hyphens
to indicate that the melisma is still ongoing.
Apparently, the length of the melisma in your example is just at the
borderline
between getting one and two hyphe
Hi everyone!
In the following fragment of music, Lilypond prints a double hyphen on the last
note of the slur.
\version "2.10.0"
MusicaUno = \relative c'' {
e8. e16 e4 d8. d16 d8 d
d4( c) b b
}
Parole = \lyricmode {
Ky -- ri -- e, Ky -- ri -- e e --
lei -- son, e
}
