(page-turn-permission ,symbol? "Instructs the page breaker on
whether to put a page turn at this column. Can be @code{force} or
@code{allow}.")
+ (parent-alignment-X ,number? "Specify on which point
+of the parent the object is aligned. The value @w{@code{-1}} means
+aligned on parent's left edge, @code{0}@tie{}on@tie{}center, and
+@code{1}@tie{}right edge, in X@tie{}direction. Other numerical
+values may also be specified - the unit is half the parent's width.
+If unset, the value from @code{self-alignment-X} property will be
+used.")
+ (parent-alignment-Y ,number? "Like @code{parent-alignment-X}
+but for the Y@tie{}axis.")
(parenthesized ,boolean? "Parenthesize this grob.")
(positions ,number-pair? "Pair of staff coordinates
@code{(@var{left} . @var{right})}, where both @var{left} and
(self-alignment-X ,number? "Specify alignment of an object. The
value @w{@code{-1}} means left aligned, @code{0}@tie{}centered, and
@code{1}@tie{}right-aligned in X@tie{}direction. Other numerical
-values may also be specified.")
+values may also be specified - the unit is half the object width.")
(self-alignment-Y ,number? "Like @code{self-alignment-X} but for
the Y@tie{}axis.")
(sharp-positions ,list? "Sharps in key signatures are placed