Completion_head_engraver

[darius]

Hello everybody,

Using Lilypond 2.2.0, the following
sample crashes, and the issue clearly has to do with
the fact that the completion_head_engraver is used.

Did I do anything wrong ? Any help would be welcome...

Cheers,

Darius.



#(ly:set-option 'old-relative)

#(set-global-staff-size 14)

\paper {
         indent = 0\pt
          linewidth = 480\pt
       }

\version "2.2.0"

global = \notes {
         \tempo 4 = 120
        \time 4/4
        \key b \minor
}



HighSolo =  \context Staff = up <<
        \global
        \clef treble
        \notes \relative c'
        {
          {a8[  b c d a b c d b c d a b c d b c d a b c d b c d a b c d]}
        }
       >>
       
LowSolo =  \context Staff = down <<
        \global
        \clef bass
        \notes \relative c
        {
          {r16 a8[  b c d a b c d b c d a b c d b c d a b c d b c d a b c d]}
        }
       >>    


solo = \new PianoStaff \with {
      %\remove "Note_heads_engraver"           % If I comment out these two 
lines, the problem
      %\consists "Completion_heads_engraver"   % disappears
}
{
         <<
        
        \HighSolo
        \LowSolo
>>}

\score{
      \notes \relative c''
        <<    
         \solo
        >>
    \paper {
       linewidth = 16\cm
       \context {\ScoreContext }          
        }
  \midi {
    
  }
}



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