used when the grob is just left of the first note on a line
@item next-note
-used when the grob is just left of any other note
+used when the grob is just left of any other note;
+if not set, the value of @code{first-note} gets used
@item right-edge
used when the grob is the last item on the line (only compatible with
grobs.")
(slur ,ly:grob? "A pointer to a @code{Slur} object.")
(spacing ,ly:grob? "The spacing spanner governing this section.")
+ (space-increment ,ly:dimension? "The amount by which the total duration
+of a multimeasure rest affects horizontal spacing. Each doubling of the
+duration adds @code{space-increment} to the length of the bar.")
(spacing-wishes ,ly:grob-array? "An array of note spacing or staff spacing
objects.")
(span-start ,boolean? "Is the note head at the start of a spanner?")