;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 1998--2010 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 1998--2011 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
(define-public (string-or-pair? x)
(or (string? x) (pair? x)))
+(define-public (number-or-pair? x)
+ (or (number? x) (pair? x)))
+
(define-public (cheap-list? x)
(or (pair? x) (null? x)))