@code{0}: around center of width, @code{1}: right side.")
(allow-loose-spacing ,boolean? "If set, column can be detached
from main spacing.")
+ (allow-span-bar ,boolean? "If false, no inter-staff barline will
+be created below this barline.")
(alteration ,number? "Alteration numbers for accidental.")
(alteration-alist ,list? "List of @code{(@var{pitch}
. @var{accidental})} pairs for key signature.")
(axis-group-parent-X ,ly:grob? "Containing X@tie{}axis group.")
(axis-group-parent-Y ,ly:grob? "Containing Y@tie{}axis group.")
+ (bar-extent ,number-pair? "The Y-extent of the actual barline.
+This may differ from 'Y-extent because it does not include the dots in
+a repeat barline.")
(bars ,ly:grob-array? "A list of bar line pointers.")
(beam ,ly:grob? "A pointer to the beam, if applicable.")
(bounded-by-me ,ly:grob-array? "A list of spanners that have this