% bug report: since version 2.19.55 the syllable extender line "__"
% is not drawn with the correct length in some cases. While the faulty
% line is in basso lyrics in this example, the second voice is
% necessary to trigger the bug.


\version "2.19.55"


tenor = \relative c' {
    \clef "treble_8"
    \key bes \major
    \time 4/4

    r2 d4 d d4. 8 2 r2 d8. 16 4 2 2
}


tenor_lyrics = \lyricmode {
    non in -- ven -- tus est si -- mi -- lis il -- li
}


bass = \relative c {
    \clef "bass"
    \key bes \major
    \time 4/4

    d4. 8 2~ 2 8. 16 4 d2 2~ 2 4 4
}


bass_lyrics = \lyricmode {
    ven -- tus est __ si -- mi -- lis il -- li __ non in
}


\score {
  <<
    \new StaffGroup
     <<
       \new Staff { \tenor }
       \addlyrics { \tenor_lyrics }
       \new Staff { \bass }
       \addlyrics { \bass_lyrics }
     >>
  >>
}