X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fprogram-option-scheme.cc;h=820faf5bfea907bc0f2870001261a036ad12b79e;hb=f166a6e3a57e6cff6dbaf97b2c47edc114c8ec2f;hp=2d65001a1452b8667b2c405fd3715aa8b5eff828;hpb=c618987255838a2af9813a69eb1f4f20a8df6315;p=lilypond.git

diff --git a/lily/program-option-scheme.cc b/lily/program-option-scheme.cc
index 2d65001a14..820faf5bfe 100644
--- a/lily/program-option-scheme.cc
+++ b/lily/program-option-scheme.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2001--2011  Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 2001--2012  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
@@ -187,12 +187,12 @@ get_help_string ()
   return help;
 }
 
-LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 0, 0, (),
-           "Print @code{ly:set-option} usage.")
+LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 1, 0, (SCM port),
+           "Print @code{ly:set-option} usage.  Optional @var{port} argument"
+	   "for the destination defaults to current output port.")
 {
-  string help = get_help_string ();
-  puts (help.c_str ());
-  fflush (stdout);
+  SCM str = scm_from_locale_string (get_help_string ().c_str ());
+  scm_write_line (str, port);
 
   return SCM_UNSPECIFIED;
 }