+
+LY_DEFINE (ly_prob_immutable_properties, "ly:prob-immutable-properties",
+ 1, 0, 0,
+ (SCM prob),
+ "Retrieve an alist of mutable properties.")
+{
+ LY_ASSERT_SMOB (Prob, prob, 1);
+ Prob *ps = unsmob_prob (prob);
+ return ps->get_property_alist (false);
+}
+