error with #(make-music 'Music)

[Eluze]

with the code below(from the French LilyPond user list
http://lilypond-french-users.1298960.n2.nabble.com/Ligature-conditionnelle-de-croches-tt7580226.html#a7580231):

\version "2.16.0"
#(ly:add-option 'beamoff #t "Disables manual beams")
#(if (eqv? (ly:get-option 'beamoff) #t)
  (list
    (define bracketOpenSymbol #(make-music 'Music))
    (define bracketCloseSymbol #(make-music 'Music)))
  #{#})
\score {
  <<
    \new Staff {
      \relative c'' {
        \time 4/4
        \autoBeamOff
        c8 [b a] g [a b c a]
      }
    }
  >>
}

there are errors (under Windows 7):

programming error: Not a music type
continuing, cross fingers

with version 2.17.23 there is even a crash.

is something wrong with the function or is it a bug in windows?

Eluze



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