;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
+;;;; Copyright (C) 2006--2012 Han-Wen Nienhuys <hanwen@lilypond.org>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;; but let's leave that for future extensions.
;;
(define-public (system-clipped-x-extent system-grob clip-region)
- "Return the X-extent of the SYSTEM-GROB when clipped with
-CLIP-REGION. Return #f if not appropriate."
+ "Return the X-extent of @var{system-grob} when clipped with
+@var{clip-region}. Return @code{#f} if not appropriate."
(let*
((region-start (car clip-region))