DescriptionOutput better message for wrong argument of dash-definiton
Previously an argument like '(0 1.0 0.5 0.5) passed the
pair?-typecheck, segfaulting later.
Thus a new predicate, list-of-lists? is introduced.
Patch Set 1 #Patch Set 2 : adds list-of-lists? in lilypond-scheme-predicates #
MessagesTotal messages: 4
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