-\version "2.15.11"
+\version "2.16.0"
#(ly:set-option 'warning-as-error #f)
+#(ly:expect-warning (_ "Recursive definition of property ~a detected!") 'header:title)
+#(ly:expect-warning (_ "Recursive definition of property ~a detected!") 'header:composer)
\header {
texidoc = "Cyclic references in header fields should cause a warning, but