A centred hyphen is a simple line between lyrics used to divide syllables
dash-period
(number)height
(dimension, in staff space)length
(dimension, in staff space)minimum-length
(dimension, in staff space)spacing-procedure
property.
padding
(dimension, in staff space)thickness
(number)linethickness
.
This grob interface is used in the following graphical objects: LyricHyphen
This page is for LilyPond-2.6.3 (stable-branch).