X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpaper-book.cc;h=9035d355a2adea0535b9e873887535f1b7871efd;hb=9e781b7dc83b60a543ce218aa1a5f139f74c760f;hp=b5870bdd887e2c7426a96c67a79732ae350ba412;hpb=a42aaa559b71ce5776795fa11a7e1df9110d85b7;p=lilypond.git

diff --git a/lily/paper-book.cc b/lily/paper-book.cc
index b5870bdd88..9035d355a2 100644
--- a/lily/paper-book.cc
+++ b/lily/paper-book.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2004--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 2004--2014 Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -580,10 +580,11 @@ Paper_book::systems ()
   systems_ = SCM_EOL;
   if (scm_is_pair (bookparts_))
     {
+      SCM system_list = SCM_EOL;
       for (SCM p = bookparts_; scm_is_pair (p); p = scm_cdr (p))
         if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
-          systems_ = scm_append_x (scm_list_2 (systems_,
-                                               pbookpart->systems ()));
+          system_list = scm_cons (pbookpart->systems (), system_list);
+      systems_ = scm_append (scm_reverse_x (system_list, SCM_EOL));
     }
   else
     {
@@ -596,15 +597,14 @@ Paper_book::systems ()
               SCM system_list
                 = scm_vector_to_list (pscore->get_paper_systems ());
 
-              system_list = scm_reverse (system_list);
-              systems_ = scm_append (scm_list_2 (system_list, systems_));
+              systems_ = scm_reverse_x (system_list, systems_);
             }
           else
             {
               systems_ = scm_cons (scm_car (s), systems_);
             }
         }
-      systems_ = scm_reverse (systems_);
+      systems_ = scm_reverse_x (systems_, SCM_EOL);
 
       /* backwards compatibility for the old page breaker */
       int i = 0;
@@ -652,6 +652,15 @@ Paper_book::pages ()
     {
       SCM page_breaking = paper_->c_variable ("page-breaking");
       pages_ = scm_apply_0 (page_breaking, scm_list_1 (self_scm ()));
+
+      // Create all the page stencils.
+      SCM page_module = scm_c_resolve_module ("scm page");
+      SCM page_stencil = scm_c_module_lookup (page_module, "page-stencil");
+      page_stencil = scm_variable_ref (page_stencil);
+      for (SCM pages = pages_; scm_is_pair (pages); pages = scm_cdr (pages))
+        scm_apply_1 (page_stencil, scm_car (pages), SCM_EOL);
+
+      // Perform any user-supplied post-processing.
       SCM post_process = paper_->c_variable ("page-post-process");
       if (ly_is_procedure (post_process))
         scm_apply_2 (post_process, paper_->self_scm (), pages_, SCM_EOL);