-
- \ifx\lilypondtitle\undefined
- \else
- {\huge\lilypondtitle\\}
- \fi
-
- \ifx\lilypondsubtitle\undefined
- \else
- {\Large\lilypondsubtitle\\}
- \fi
-
- \ifx\lilypondsubsubtitle\undefined
- \else
- {\large\lilypondsubsubtitle\\}
- \fi
+
+ \lilypondifundefined{lilypondtitle}
+ {}
+ {\huge\lilypondtitle\\}
+
+ \lilypondifundefined{lilypondsubtitle}
+ {}
+ {\Large\lilypondsubtitle\\}
+
+ \lilypondifundefined{lilypondsubsubtitle}
+ {}
+ {\large\lilypondsubsubtitle\\}