output-defs))
(music (ly:score-music score))
(layout-def (if (null? layout-defs)
- (car layout-defs)
- (ly:parser-lookup parser '$defaultlayout))))
+ (ly:parser-lookup parser '$defaultlayout)
+ (car layout-defs))))
(if (not (module? header))
(set! header (ly:parser-lookup parser '$defaultheader)))