hara-kiri-group-interface

A group spanner that keeps track of interesting items. If it doesn't contain any after linebreaking, then it will remove itself and all its children.

User settable properties:

remove-empty (boolean)

If set, remove group if it contains no interesting-items

remove-first (boolean)

Remove the first staff of a orchestral score?

Internal properties:

important-column-ranks (vector)

Cache of columns that contain items-worth-living.

items-worth-living (unknown)

A list of interesting items. If empty in a particular staff, then that staff is erased.

This grob interface is used in the following graphical objects: VerticalAxisGroup