+LY_DEFINE (ly_success, "ly:success",
+ 1, 0, 1, (SCM str, SCM rest),
+ "A Scheme callable function to issue a success message @var{str}."
+ " The message is formatted with @code{format} and @var{rest}.")
+{
+ LY_ASSERT_TYPE (scm_is_string, str, 1);
+ str = scm_simple_format (SCM_BOOL_F, str, rest);
+ successful (ly_scm2string (str));
+ return SCM_UNSPECIFIED;
+
+}