+
+ (NewBassFigure
+ . (
+ (callbacks . ( (stencil . ,Text_interface::print)))
+ (meta . ((class . Item)
+ (interfaces . (text-interface
+ rhythmic-grob-interface
+ bass-figure-interface
+ font-interface))))))
+ (BassFigureBracket
+ . ((callbacks . ((stencil . ,Enclosing_bracket::print)))
+ (edge-height . (0.2 . 0.2))
+ (meta . ((class . Item)
+ (interfaces . (enclosing-bracket-interface)) ))
+ ))
+ (BassFigureContinuation
+ . (
+ (callbacks . ( (stencil . ,Figured_bass_continuation::print)))
+ (Y-offset-callbacks . (,Figured_bass_continuation::center_on_figures))
+ (meta . ((class . Spanner)
+ (interfaces . (figured-bass-continuation-interface))
+ ))))
+ (BassFigureLine
+ . (
+ (axes . (,Y))
+ (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
+ (meta . ((class . Spanner)
+ (interfaces . (axis-group-interface
+ ))))))
+
+ (BassFigureAlignment
+ . (
+ (axes . (,Y))
+ (threshold . (2 . 1000))
+ (callbacks . ((positioning-done . ,Align_interface::calc_positioning_done)
+ ))
+ (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
+ (stacking-dir . -1)
+ (meta . ((class . Spanner)
+ (interfaces . (align-interface
+ axis-group-interface))))))
+