Add basic scheme programmable engravers.

[lilypond.git] / lily / grob-pq-engraver.cc

diff --git a/lily/grob-pq-engraver.cc b/lily/grob-pq-engraver.cc
index 563e7218c08a60cb994b896757686e6bf4ac80be..a13d8c9e104f43e702451958037655ca3240294a 100644 (file)
--- a/lily/grob-pq-engraver.cc
+++ b/lily/grob-pq-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  grob-pq-engraver.cc -- implement Grob_pq_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2001--2009  Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2001--2007  Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "context.hh"
@@ -49,7 +60,8 @@ Grob_pq_engraver::initialize ()
 
 LY_DEFINE (ly_grob_pq_less_p, "ly:grob-pq<?",
           2, 0, 0, (SCM a, SCM b),
-          "Compare 2 grob priority queue entries. Internal")
+          "Compare two grob priority queue entries."
+          "  This is an internal function.")
 {
   if (Moment::compare (*unsmob_moment (scm_car (a)),
                       *unsmob_moment (scm_car (b))) < 0)
@@ -137,8 +149,16 @@ Grob_pq_engraver::start_translation_timestep ()
 #include "translator.icc"
 ADD_ACKNOWLEDGER (Grob_pq_engraver, grob);
 ADD_TRANSLATOR (Grob_pq_engraver,
+               /* doc */
+               "Administrate when certain grobs (e.g., note heads) stop"
+               " playing.",
+
+               /* create */
+               "",
+
+               /* read */
+               "busyGrobs ",
 
-               /* doc */ "Administrate when certain grobs (eg. note heads) stop playing",
-               /* create */ "",
-               /* read */ "busyGrobs",
-               /* write */ "busyGrobs");
+               /* write */
+               "busyGrobs "
+               );