4 texidoc
="If there are no good places to have a page turn,
5 the optimal-breaker will just have to recover gracefully. This
6 should appear on 3 pages.
12 #(define page-breaking ly
:page-turn-breaking
)
14 print-page-number
= ##t
19 a b c d a b c d \break
20 c d e f c d e f \break