LilyPond Internals Reference: 2.2.13 Break_align_engraver

### 2.2.13 Break_align_engraver

Align grobs with corresponding `break-align-symbols` into groups, and order the groups according to `breakAlignOrder`. The left edge of the alignment gets a separate group, with a symbol `left-edge`.

This engraver creates the following layout object(s):

BreakAlignGroup, BreakAlignment and LeftEdge.

`Break_align_engraver` is part of the following context(s): Score.

#### Internals Reference