system-interface - LilyPond program-reference
Description: LilyPond program-reference

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#### system-interface

This is the toplevel object: each object in a score ultimately has a System object as its X and Y parent.

##### Internal properties:

`all-elements` (unknown)
  list of all grobs in this line. Its function is to protect objects from being garbage collected.
`columns` (unknown)
  list of grobs, typically containing paper-columns or note-column objects.
`pure-Y-extent` (pair of numbers)
  The estimated height of a system
`spaceable-staves` (unknown)
  Objects to be spaced during page layout.

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

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This page is for LilyPond-2.10.33 (stable-branch).