between 0 and 1.")
(note-names ,vector? "Vector of strings containing names for
easy-notation note heads.")
+ (note-collision-threshold ,ly:dimension? "Simultaneous notes that
+are this close or closer in units of @code{staff-space} will be
+identified as vertically colliding. Used by @code{Stem} grobs for notes
+in the same voice, and @code{NoteCollision} grobs for notes in
+different voices. Default value@tie{}1.")
(number-type ,symbol? "Numbering style. Choices include
@code{roman-lower}, @code{roman-upper} and @code{arabic}.")
staff-line thickness. The shape of the background is determined by
@code{whiteout-style}. Usually @code{#f} by default.")
(whiteout-style ,symbol? "Determines the shape of the
-@code{whiteout} background. Available are @code{'outline} and the
-default @code{'box}.")
+@code{whiteout} background. Available are @code{'outline},
+@code{'rounded-box}, and the default @code{'box}.")
(width ,ly:dimension? "The width of a grob measured in staff
space.")
(word-space ,ly:dimension? "Space to insert between words in