* lily/vaticana-ligature-engraver.cc,
lily/include/vaticana-ligature.hh: bugfix: use special heads for
lower/upper head of Pes only when heads are stacked
* lily/vaticana-ligature-engraver.cc, lily/vaticana-ligature.cc,
scm/define-grob-properties.scm: cleanup: make "join-left" a
boolean grob property and save delta pitch in grob property
"delta-pitch" instead
@@ -531,10+531,10 @@ staff in a row more often, when the heights of the notes vary.
(grob-property-description 'grace-space-factor number? "space grace at this fraction of the increment.")
(grob-property-description 'position-callbacks list? "list of
functions set spanner positions.")
-(grob-property-description 'join-left number? "in ligature such as pes and flexa, the length of the vertical joining beam attached to the left side of the head")
+(grob-property-description 'join-left boolean? "is this ligature head joined with the previous one?")
+(grob-property-description 'delta-pitch number? "the interval between this and the neighbouring note, or, more precisely, their vertical distance; this is used in ligatures for calculation of the height of vertical joins flexa shapes")
(grob-property-description 'head-width ly:dimension? "width of this ligature head")