/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1996--2012 Han-Wen Nienhuys
+ Copyright (C) 1996--2014 Han-Wen Nienhuys
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
void internal_set_property (SCM sym, SCM val);
/* messages */
- void warning (string) const;
- void programming_error (string) const;
+ void warning (const string&) const;
+ void programming_error (const string&) const;
/* class hierarchy */
virtual System *get_system () const;