X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=ly%2Flilypond-book-preamble.ly;h=e6e72503eb7d182581555708b5a49ff69851b985;hb=6e040a3aa057586b059d1552d0afdd48d9d20944;hp=91fde7c84b874f2796bf80742981864335deae0a;hpb=75f273ec5c256dac7f8f21294a6f4693e083182b;p=lilypond.git

diff --git a/ly/lilypond-book-preamble.ly b/ly/lilypond-book-preamble.ly
index 91fde7c84b..e6e72503eb 100644
--- a/ly/lilypond-book-preamble.ly
+++ b/ly/lilypond-book-preamble.ly
@@ -1,11 +1,31 @@
 
-\version "2.10.0"
+\version "2.12.0"
 
 %% toplevel \book gets output per page,
 %% everything else gets output per system/title
 #(define default-toplevel-book-handler
   print-book-with-defaults-as-systems )
 
+#(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 (quote no-point-and-click))
 #(define inside-lilypond-book #t)
 #(define version-seen #t)