+Ties may be engraved manually by changing the @code{tie-configuration}
+property. The first number indicates the distance from the center
+of the staff in staff-spaces, and the second number indicates the
+direction (1=up, -1=down).
+
+@lilypond[fragment,verbatim,relative=1,ragged-right,quote]
+<c e g>2~ <c e g> |
+\override TieColumn #'tie-configuration =
+ #'((0.0 . 1) (-2.0 . 1) (-4.0 . 1))
+<c e g>~ <c e g> |
+@end lilypond
+