-\version "1.5.68"
-breve = \duration #(make-duration -1 0)
-longa = \duration #(make-duration -2 0 )
-maxima = \duration #(make-duration -3 0)
+\version "1.7.3"
+breve = \duration #(ly:make-duration -1 0)
+longa = \duration #(ly:make-duration -2 0 )
+maxima = \duration #(ly:make-duration -3 0)
\include "nederlands.ly" % dutch
\include "chord-modifiers-init.ly"