X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscheme-listener-scheme.cc;h=0b4d39bd9afc42b819c1401ee667f6deebce215c;hb=fb9e2de36beaedec7b303d87a443ec24446014e3;hp=b8946871c0061bb7c44a3f484fdca08477801541;hpb=2a8dcc4faa8a16229774d3414eedbf46feceac84;p=lilypond.git

diff --git a/lily/scheme-listener-scheme.cc b/lily/scheme-listener-scheme.cc
index b8946871c0..0b4d39bd9a 100644
--- a/lily/scheme-listener-scheme.cc
+++ b/lily/scheme-listener-scheme.cc
@@ -3,20 +3,19 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2006 Erik Sandberg  <mandolaerik@gmail.com>
+  (c) 2006--2008 Erik Sandberg  <mandolaerik@gmail.com>
 */
 
 #include "scheme-listener.hh"
 
 LY_DEFINE (ly_make_listener, "ly:make-listener",
 	   1, 0, 0, (SCM callback),
-	   "Creates a listener. Any time the listener hears\n"
-	   " an object, it will call @var{callback}\n"
-	   " with that object.\n"
+	   "Create a listener.  Any time the listener hears an object,"
+	   " it will call @var{callback} with that object.\n"
 	   "\n"
-	   " @var{callback} should take exactly one argument." )
+	   "@var{callback} should take exactly one argument.")
 {
-  SCM_ASSERT_TYPE (scm_procedure_p (callback), callback, SCM_ARG1, __FUNCTION__, "procedure");
+  LY_ASSERT_TYPE (ly_is_procedure, callback, 1);
   Scheme_listener *l = new Scheme_listener (callback);
   SCM listener = GET_LISTENER (l->call).smobbed_copy ();
   l->unprotect ();