(pure-Y-extent ,number-pair? "The estimated height of a system.")
(pure-Y-offset-in-progress ,boolean? "A debugging aid for catching
cyclic dependencies.")
-
- (quant-score ,string? "The beam quanting score; stored for
-debugging.")
(quantize-position ,boolean? "If set, a vertical alignment is aligned
to be within staff spaces.")
(quantized-positions ,number-pair? "The beam positions after