+ (string-append "@end ifnottex
+
+@ifhtml
+This document is also available as a
+@uref{source/Documentation/user/lilypond-internals.pdf,PDF} and as
+@uref{source/Documentation/user/lilypond-internals-big-page.html,one big page}.
+@end ifhtml
+
+This is the Internals Reference (IR) for version "