+#(define toplevel-book-handler
+ (lambda ( . rest)
+ (set! output-empty-score-list #f)
+ (apply print-book-with-defaults rest)))
+
+#(define toplevel-music-handler
+ (lambda ( . rest)
+ (apply collect-music-for-book rest)))
+
+#(define toplevel-score-handler
+ (lambda ( . rest)
+ (apply collect-scores-for-book rest)))
+
+#(define toplevel-text-handler
+ (lambda ( . rest)
+ (apply collect-scores-for-book rest)))
+
+#(set! output-empty-score-list #t)
+
+
+#(ly:set-option 'backend 'eps)