@seealso
-Program reference: @internalsref{Ambitus}.
+Program reference: @internalsref{Ambitus},
+@internalsref{AmbitusLine}, @internalsref{AmbitusNoteHead},
+@internalsref{AmbitusAccidental}.
Examples: @inputfileref{input/regression,ambitus.ly},
@inputfileref{input/test,ambitus-mixed.ly}.