X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fprob-scheme.cc;h=119688e1570712696fc2a9746d0696366104fd96;hb=f8159a57125bbf52e96cad584d6c3756a39d5fc9;hp=717e32a945985358af74ee08f379b372e4363294;hpb=74599ededac15a341e2ee7641cde63b055a5d4e6;p=lilypond.git

diff --git a/lily/prob-scheme.cc b/lily/prob-scheme.cc
index 717e32a945..119688e157 100644
--- a/lily/prob-scheme.cc
+++ b/lily/prob-scheme.cc
@@ -1,9 +1,20 @@
 /*
-  paper-system-scheme.cc -- implement Prob bindings
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005--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 "prob.hh"
@@ -31,19 +42,21 @@ LY_DEFINE (ly_prob_property_p, "ly:prob-property?",
 }
 
 LY_DEFINE (ly_prob_property, "ly:prob-property",
-	   2, 1, 0, (SCM obj, SCM sym, SCM dfault),
-	   "Return the value for @var{sym}.")
+	   2, 1, 0, (SCM prob, SCM sym, SCM val),
+	   "Return the value for property @var{sym} of Prob object"
+	   " @var{prob}.  If no value is found, return @var{val} or"
+	   " @code{'()} if @var{val} is not specified.")
 {
-  LY_ASSERT_SMOB (Prob, obj, 1);
-  Prob *ps = unsmob_prob (obj);
+  LY_ASSERT_SMOB (Prob, prob, 1);
+  Prob *ps = unsmob_prob (prob);
   LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
 
-  if (dfault == SCM_UNDEFINED)
-    dfault = SCM_EOL;
+  if (val == SCM_UNDEFINED)
+    val = SCM_EOL;
 
   SCM retval = ps->internal_get_property (sym);
   if (retval == SCM_EOL)
-    return dfault;
+    return val;
   else
     return retval;
 }