Add regression tests and extra robustness if the user requests too many pages.

[lilypond.git] / lily / engraver.cc

diff --git a/lily/engraver.cc b/lily/engraver.cc
index ac74d5e93064f9c808dccf6358fc95fae9465cc3..70a8bf512fb51ae71e1a3e05627c1b00e04027a7 100644 (file)
--- a/lily/engraver.cc
+++ b/lily/engraver.cc
@@ -90,14 +90,13 @@ Engraver::Engraver ()
 static SCM creation_callback = SCM_EOL;
 LY_DEFINE (ly_set_grob_creation_callback, "ly:set-grob-creation-callback",
           1, 0, 0, (SCM cb),
-          "Specify a procedure that will be called every time a new grob "
-          "is created. The callback will receive as arguments the grob "
-          "that was created, the name of the C++ source file that caused "
-          "the grob to be created and the corresponding line number in the "
-          "C++ source file.")
+          "Specify a procedure that will be called every time a new grob"
+          " is created.  The callback will receive as arguments the grob"
+          " that was created, the name of the C++ source file that caused"
+          " the grob to be created, and the corresponding line number in"
+          " the C++ source file.")
 {
-  SCM_ASSERT_TYPE(ly_is_procedure (cb), cb, SCM_ARG1, __FUNCTION__,
-                 "procedure");
+  LY_ASSERT_TYPE (ly_is_procedure, cb, 1);
 
   creation_callback = cb;