+@item diary-mark-entries-hook
+@iftex
+@inforef{Fancy Diary Display,, emacs-xtra}.
+@end iftex
+@ifnottex
+@xref{Fancy Diary Display,,, emacs}.
+@end ifnottex
+
+@item diary-nongregorian-listing-hook
+@iftex
+@inforef{Non-Gregorian Diary,, emacs-xtra}.
+@end iftex
+@ifnottex
+@xref{Non-Gregorian Diary,,, emacs}.
+@end ifnottex
+
+@item diary-nongregorian-marking-hook
+@iftex
+@inforef{Non-Gregorian Diary,, emacs-xtra}.
+@end iftex
+@ifnottex
+@xref{Non-Gregorian Diary,,, emacs}.
+@end ifnottex
+
+@item diary-print-entries-hook
+@iftex
+@inforef{Diary Display,, emacs-xtra}.
+@end iftex
+@ifnottex
+@xref{Diary Display,,, emacs}.
+@end ifnottex