If this might help a developer to trace the problem (or someone might be
able to point out how to make a work-around) it appears that the problem
is due to one of the functions in lilypond-book-preamble.ly:
-------------------------------------------------------------------------------
%Example produces midi but breaks the book layout of the graphics
\version "2.10.33"
%The following statements are equivalent to the book preamble
%\include "lilypond-book-preamble.ly"
% BEGIN book-preamble statements
%#(set! toplevel-score-handler print-score-with-defaults)
#(set! toplevel-music-handler
(lambda (p m)
(if (not (eq? (ly:music-property m 'void) #t))
(print-score-with-defaults
p (scorify-music m p)))))
#(ly:set-option (quote no-point-and-click))
#(define inside-lilypond-book #t)
#(define version-seen #t)
% END book-preamble statements
\score {
\context PianoStaff <<
\new Staff = "treble" << \relative c'' { a b c d e f g a' } >>
>>
\layout { }
\midi { }
}
-------------------------------------------------------------------------------
%Example not producing midi but book layout is fine
\version "2.10.33"
%The following statements are equivalent to the book preamble
%\include "lilypond-book-preamble.ly"
% BEGIN book-preamble statements
#(set! toplevel-score-handler print-score-with-defaults)
#(set! toplevel-music-handler
(lambda (p m)
(if (not (eq? (ly:music-property m 'void) #t))
(print-score-with-defaults
p (scorify-music m p)))))
#(ly:set-option (quote no-point-and-click))
#(define inside-lilypond-book #t)
#(define version-seen #t)
% END book-preamble statements
\score {
\context PianoStaff <<
\new Staff = "treble" << \relative c'' { a b c d e f g a' } >>
>>
\layout { }
\midi { }
}
-------------------------------------------------------------------------------
Clifford Racz wrote:
I am using v. 2.10.33 and I am getting no midi output when using
LilyPond-book (i.e. \include "lilypond-book-preamble.ly" ).
Is there a fix for this issue?
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