introduce TEXT_PAGES

standalone_output.ly

@@ -26,6 +26,34 @@ TEXT = \markuplist {
   \TEXT
 }
 
+#(define TEXT_PAGES
+  (map
+    (lambda (text) #{
+      \markuplist {
+        \override #`(transposition . ,TRANSPOSITION)
+        \override #`(verselayout . ,verselayout)
+        \override #`(verse-chords . ,#{ \chords { \verseChords } #})
+        \override #`(verse-reference-voice . ,#{ \global \firstVoice  #})
+        #text
+      }
+    #})
+  (if
+    (and
+      (defined? 'TEXT_PAGES)
+      (pair? TEXT_PAGES))
+    TEXT_PAGES
+    (list TEXT))))
+
+#(define (add-text-pages text-pages)
+  (if (pair? text-pages)
+    (begin
+      (add-score (car text-pages))
+      (for-each
+        (lambda (text)
+          (add-music (pageBreak))
+          (add-score text))
+        (cdr text-pages)))))
+
 #(if (not noStandaloneOutput)
 (begin
   (let ((header (ly:book-header HEADER)) (paper (ly:book-paper HEADER)))
@@ -37,7 +65,7 @@ TEXT = \markuplist {
       \MUSIC
       \layout { \LAYOUT }
     }#})
-  (add-score TEXT)
+  (add-text-pages TEXT_PAGES)
   (add-score #{
     \score {
       \unfoldRepeats { \MUSIC \INLINESCOREMUSIC }