/*
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
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;
}