1 ;;;; This file is part of LilyPond, the GNU music typesetter.
3 ;;;; Copyright (C) 1998--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
4 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
6 ;;;; LilyPond is free software: you can redistribute it and/or modify
7 ;;;; it under the terms of the GNU General Public License as published by
8 ;;;; the Free Software Foundation, either version 3 of the License, or
9 ;;;; (at your option) any later version.
11 ;;;; LilyPond is distributed in the hope that it will be useful,
12 ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;;;; GNU General Public License for more details.
16 ;;;; You should have received a copy of the GNU General Public License
17 ;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
19 ;;;; distances are given in line-thickness (thicknesses) and
20 ;;;; staff-space (distances)
22 ;;;; WARNING: the meta field should be the last one.
23 ;;;; WARNING: don't use anonymous functions for initialization.
25 ;; TODO: junk the meta field in favor of something more compact?
28 (define-session-public all-grob-descriptions
32 (after-line-breaking . ,ly:accidental-interface::remove-tied)
33 (alteration . ,accidental-interface::calc-alteration)
35 (extra-spacing-width . (-0.2 . 0.0))
36 (glyph-name . ,accidental-interface::glyph-name)
37 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
38 (stencil . ,ly:accidental-interface::print)
39 (horizontal-skylines . ,(ly:make-unpure-pure-container ly:accidental-interface::horizontal-skylines))
40 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
41 (X-offset . ,ly:grob::x-parent-positioning)
42 (Y-extent . ,accidental-interface::height)
43 (meta . ((class . Item)
44 (interfaces . (accidental-interface
45 inline-accidental-interface
50 (after-line-breaking . ,ly:accidental-interface::remove-tied)
51 (alteration . ,accidental-interface::calc-alteration)
53 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
55 (stencil . ,ly:accidental-interface::print)
56 (X-offset . ,ly:grob::x-parent-positioning)
57 (Y-extent . ,accidental-interface::height)
58 (meta . ((class . Item)
59 (interfaces . (accidental-interface
60 inline-accidental-interface
66 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
68 ;; this is quite small, but it is very ugly to have
69 ;; accs closer to the previous note than to the next one.
70 (right-padding . 0.15)
72 ;; for horizontally stacked scripts.
73 (script-priority . -100)
75 (X-extent . ,ly:axis-group-interface::width)
76 (meta . ((class . Item)
77 (interfaces . (accidental-placement-interface))))))
81 (after-line-breaking . ,ly:accidental-interface::remove-tied)
82 (alteration . ,accidental-interface::calc-alteration)
85 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
86 (outside-staff-priority . 0)
87 (parent-alignment-X . ,CENTER)
89 (self-alignment-X . ,CENTER)
91 (staff-padding . 0.25)
92 (stencil . ,ly:accidental-interface::print)
93 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
94 (Y-extent . ,accidental-interface::height)
95 (Y-offset . ,side-position-interface::y-aligned-side)
96 (meta . ((class . Item)
97 (interfaces . (accidental-interface
98 accidental-suggestion-interface
100 outside-staff-interface
102 self-alignment-interface
103 side-position-interface))))))
108 (break-align-symbol . ambitus)
109 (break-visibility . ,begin-of-line-visible)
112 (cue-end-clef . (extra-space . 0.5))
113 (clef . (extra-space . 0.5))
114 (cue-clef . (extra-space . 0.5))
115 (key-signature . (extra-space . 0.0))
116 (staff-bar . (extra-space . 0.0))
117 (time-signature . (extra-space . 0.0))
118 (first-note . (fixed-space . 0.0))))
119 (X-extent . ,ly:axis-group-interface::width)
120 (Y-extent . ,axis-group-interface::height)
121 (meta . ((class . Item)
122 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
123 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
124 (interfaces . (ambitus-interface
126 break-aligned-interface))))))
131 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
134 (stencil . ,ly:accidental-interface::print)
135 (X-offset . ,ly:grob::x-parent-positioning)
136 (Y-extent . ,accidental-interface::height)
137 (meta . ((class . Item)
138 (interfaces . (accidental-interface
139 break-aligned-interface
141 side-position-interface))))))
145 (gap . ,ambitus-line::calc-gap)
146 (length-fraction . 0.7)
148 (stencil . ,ambitus::print)
150 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
151 (meta . ((class . Item)
152 (interfaces . (ambitus-interface
158 (glyph-name . ,note-head::calc-glyph-name)
159 (ignore-ambitus . #t)
160 (stencil . ,ly:note-head::print)
161 (Y-offset . ,staff-symbol-referencer::callback)
162 (Y-extent . ,grob::always-Y-extent-from-stencil)
163 (meta . ((class . Item)
164 (interfaces . (ambitus-interface
168 rhythmic-head-interface
169 staff-symbol-referencer-interface))))))
173 (cross-staff . ,ly:arpeggio::calc-cross-staff)
176 (positions . ,ly:arpeggio::calc-positions)
178 (script-priority . 0)
180 (staff-position . 0.0)
181 (stencil . ,ly:arpeggio::print)
182 (X-extent . ,ly:arpeggio::width)
183 (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:arpeggio::pure-height))
184 (X-offset . ,ly:side-position-interface::x-aligned-side)
185 (Y-offset . ,staff-symbol-referencer::callback)
186 (meta . ((class . Item)
187 (interfaces . (arpeggio-interface
189 side-position-interface
190 staff-symbol-referencer-interface))))))
194 (annotation-balloon . #t)
195 (annotation-line . #t)
196 (extra-spacing-width . (+inf.0 . -inf.0))
197 (stencil . ,ly:balloon-interface::print)
198 (text . ,(grob::calc-property-by-copy 'text))
199 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
200 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
201 (Y-extent . ,grob::always-Y-extent-from-stencil)
202 (meta . ((class . Item)
203 (interfaces . (balloon-interface
209 (allow-span-bar . #t)
210 (bar-extent . ,ly:bar-line::calc-bar-extent)
211 (break-align-anchor . ,ly:bar-line::calc-anchor)
212 (break-align-symbol . staff-bar)
213 (break-visibility . ,bar-line::calc-break-visibility)
214 (extra-spacing-height . ,pure-from-neighbor-interface::account-for-span-bar)
217 (glyph-name . ,bar-line::calc-glyph-name)
220 ;; Ross. page 151 lists other values, we opt for a leaner look
223 ;; kern should scale with line-thickness too.
226 (hair-thickness . 1.9)
227 (thick-thickness . 6.0)
233 (time-signature . (extra-space . 0.75))
234 (custos . (minimum-space . 2.0))
235 (clef . (extra-space . 1.0))
236 (key-signature . (extra-space . 1.0))
237 (key-cancellation . (extra-space . 1.0))
238 (first-note . (fixed-space . 1.3))
239 (next-note . (semi-fixed-space . 0.9))
240 (right-edge . (extra-space . 0.0))))
241 (stencil . ,ly:bar-line::print)
242 (Y-extent . ,grob::always-Y-extent-from-stencil)
243 (meta . ((class . Item)
244 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
245 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
246 (interfaces . (bar-line-interface
247 break-aligned-interface
249 pure-from-neighbor-interface))))))
253 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
254 ;; want the bar number before the clef at line start.
255 (break-align-symbols . (left-edge staff-bar))
257 (break-visibility . ,begin-of-line-visible)
259 (extra-spacing-width . (+inf.0 . -inf.0))
260 (font-family . roman)
263 ;; w/o padding, bars numbers are not positioned over the staff as
264 ;; they are slightly to the left. so we add just a bit.
265 (horizon-padding . 0.05)
266 (outside-staff-priority . 100)
268 (self-alignment-X . ,RIGHT)
270 (stencil . ,ly:text-interface::print)
271 (X-offset . ,self-alignment-interface::self-aligned-on-breakable)
272 (Y-offset . ,side-position-interface::y-aligned-side)
273 (Y-extent . ,grob::always-Y-extent-from-stencil)
276 (interfaces . (break-alignable-interface
278 outside-staff-interface
279 self-alignment-interface
280 side-position-interface
285 (stencil . ,ly:text-interface::print)
286 (Y-extent . ,grob::always-Y-extent-from-stencil)
287 (meta . ((class . Item)
288 (interfaces . (bass-figure-interface
290 rhythmic-grob-interface
297 (positioning-done . ,ly:align-interface::align-to-minimum-distances)
298 (stacking-dir . ,DOWN)
299 (X-extent . ,ly:axis-group-interface::width)
300 (Y-extent . ,axis-group-interface::height)
301 (meta . ((class . Spanner)
302 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
303 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
304 (interfaces . (align-interface
306 bass-figure-alignment-interface))))))
308 (BassFigureAlignmentPositioning
314 (staff-padding . 1.0)
315 (X-extent . ,ly:axis-group-interface::width)
316 (Y-extent . ,axis-group-interface::height)
317 (Y-offset . ,side-position-interface::y-aligned-side)
318 (meta . ((class . Spanner)
319 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
320 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
321 (interfaces . (axis-group-interface
322 outside-staff-interface
323 side-position-interface))))))
327 (edge-height . (0.2 . 0.2))
328 (stencil . ,ly:enclosing-bracket::print)
329 (X-extent . ,ly:enclosing-bracket::width)
330 (meta . ((class . Item)
331 (interfaces . (enclosing-bracket-interface))))))
333 (BassFigureContinuation
335 (stencil . ,ly:figured-bass-continuation::print)
336 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
337 (meta . ((class . Spanner)
338 (interfaces . (figured-bass-continuation-interface))))))
342 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
344 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
345 (X-extent . ,ly:axis-group-interface::width)
346 (Y-extent . ,axis-group-interface::height)
347 (meta . ((class . Spanner)
348 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
349 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
350 (interfaces . (axis-group-interface
351 outside-staff-axis-group-interface))))))
356 ;; todo: clean this up a bit: the list is getting
358 (auto-knee-gap . 5.5)
359 (beam-segments . ,ly:beam::calc-beam-segments)
360 (beam-thickness . 0.48) ; in staff-space
362 ;; We have some unreferenced problems here.
364 ;; If we shorten beamed stems less than normal stems (1 staff-space),
365 ;; or high order less than 8th beams, patterns like
366 ;; c''4 [c''8 c''] c''4 [c''16 c]
367 ;; are ugly (different stem lengths).
369 ;; But if we shorten 16th beams as much as 8th beams, a single
370 ;; forced 16th beam looks *very* short.
372 ;; We choose to shorten 8th beams the same as single stems,
373 ;; and high order beams less than 8th beams, so that all
374 ;; isolated shortened beams look nice and a bit shortened,
375 ;; sadly possibly breaking patterns with high order beams.
376 (beamed-stem-shorten . (1.0 0.5 0.25))
378 (beaming . ,ly:beam::calc-beaming)
380 (collision-interfaces . (beam-interface
382 clef-modifier-interface
384 inline-accidental-interface
385 key-signature-interface
388 time-signature-interface))
389 (cross-staff . ,ly:beam::calc-cross-staff)
393 (secondary-beam-demerit . 10)
394 (stem-length-demerit-factor . 5)
397 (stem-length-limit-penalty . 5000)
398 (damping-direction-penalty . 800)
399 (hint-direction-penalty . 20)
400 (musical-direction-factor . 400)
401 (ideal-slope-factor . 10)
402 (collision-penalty . 500)
403 (collision-padding . 0.35)
404 (round-to-zero-slope . 0.02)))
405 (direction . ,ly:beam::calc-direction)
407 (normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
408 ;; only for debugging.
409 (font-family . roman)
412 (neutral-direction . ,DOWN)
413 (positions . ,beam::place-broken-parts-individually)
414 (X-positions . ,ly:beam::calc-x-positions)
415 (transparent . ,(grob::inherit-parent-property
418 ;; this is a hack to set stem lengths, if positions is set.
419 (quantized-positions . ,ly:beam::set-stem-lengths)
421 (shorten . ,ly:beam::calc-stem-shorten)
422 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
423 (stencil . ,ly:beam::print)
425 (meta . ((class . Spanner)
426 (object-callbacks . ((normal-stems . ,ly:beam::calc-normal-stems)))
427 (interfaces . (beam-interface
429 staff-symbol-referencer-interface
430 unbreakable-spanner-interface))))))
434 (minimum-length . 0.5)
435 (stencil . ,bend::print)
437 (meta . ((class . Spanner)
438 (interfaces . (bend-after-interface
439 spanner-interface))))))
444 (break-align-anchor . ,ly:break-aligned-interface::calc-average-anchor)
445 (break-visibility . ,ly:break-aligned-interface::calc-break-visibility)
446 (X-extent . ,ly:axis-group-interface::width)
447 (meta . ((class . Item)
448 (interfaces . (axis-group-interface
449 break-aligned-interface))))))
454 (break-align-orders . ;; end of line
495 (positioning-done . ,ly:break-alignment-interface::calc-positioning-done)
497 (X-extent . ,ly:axis-group-interface::width)
498 (meta . ((class . Item)
499 (interfaces . (axis-group-interface
500 break-alignment-interface))))))
504 (break-align-symbol . breathing-sign)
505 (break-visibility . ,begin-of-line-invisible)
508 (ambitus . (extra-space . 2.0))
509 (custos . (minimum-space . 1.0))
510 (key-signature . (minimum-space . 1.5))
511 (time-signature . (minimum-space . 1.5))
512 (staff-bar . (minimum-space . 1.5))
513 (clef . (minimum-space . 2.0))
514 (cue-clef . (minimum-space . 2.0))
515 (cue-end-clef . (minimum-space . 2.0))
516 (first-note . (fixed-space . 1.0)) ;huh?
517 (right-edge . (extra-space . 0.1))))
518 (stencil . ,ly:text-interface::print)
519 (text . ,(make-musicglyph-markup "scripts.rcomma"))
520 (Y-offset . ,ly:breathing-sign::offset-callback)
521 (Y-extent . ,grob::always-Y-extent-from-stencil)
522 (meta . ((class . Item)
523 (interfaces . (break-aligned-interface
524 breathing-sign-interface
526 outside-staff-interface
531 (after-line-breaking . ,ly:chord-name::after-line-breaking)
534 (stencil . ,ly:text-interface::print)
535 (extra-spacing-height . (0.2 . -0.2))
536 (extra-spacing-width . (-0.5 . 0.5))
538 (Y-extent . ,grob::always-Y-extent-from-stencil)
539 (meta . ((class . Item)
540 (interfaces . (chord-name-interface
542 outside-staff-interface
543 rhythmic-grob-interface
548 (avoid-slur . inside)
549 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
550 (break-align-anchor-alignment . ,RIGHT)
551 (break-align-symbol . clef)
552 (break-visibility . ,begin-of-line-visible)
553 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
554 (glyph-name . ,ly:clef::calc-glyph-name)
556 (space-alist . ((cue-clef . (extra-space . 2.0))
557 (staff-bar . (extra-space . 0.7))
558 (key-cancellation . (minimum-space . 3.5))
559 (key-signature . (minimum-space . 3.5))
560 (time-signature . (minimum-space . 4.2))
561 (first-note . (minimum-fixed-space . 5.0))
562 (next-note . (extra-space . 1.0))
563 (right-edge . (extra-space . 0.5))))
564 (stencil . ,ly:clef::print)
565 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
566 (Y-offset . ,staff-symbol-referencer::callback)
567 (Y-extent . ,grob::always-Y-extent-from-stencil)
568 (meta . ((class . Item)
569 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
570 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
571 (interfaces . (break-aligned-interface
574 pure-from-neighbor-interface
575 staff-symbol-referencer-interface))))))
579 (break-visibility . ,(grob::inherit-parent-property
580 X 'break-visibility))
581 (clef-alignments . ((G . (-0.2 . 0.1))
584 (color . ,(grob::inherit-parent-property
586 (font-shape . italic)
588 (parent-alignment-X . ,ly:clef-modifier::calc-parent-alignment)
589 (self-alignment-X . ,CENTER)
590 (staff-padding . 0.7)
591 (stencil . ,ly:text-interface::print)
592 (transparent . ,(grob::inherit-parent-property
594 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
595 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
596 (Y-extent . ,grob::always-Y-extent-from-stencil)
597 (Y-offset . ,side-position-interface::y-aligned-side)
598 (meta . ((class . Item)
599 (interfaces . (clef-modifier-interface
601 outside-staff-interface
602 self-alignment-interface
603 side-position-interface
608 (cross-staff . ,ly:cluster::calc-cross-staff)
609 (minimum-length . 0.0)
611 (springs-and-rods . ,ly:spanner::set-spacing-rods)
612 (stencil . ,ly:cluster::print)
614 (meta . ((class . Spanner)
615 (interfaces . (cluster-interface))))))
617 (ClusterSpannerBeacon
619 (Y-extent . ,ly:cluster-beacon::height)
620 (meta . ((class . Item)
621 (interfaces . (cluster-beacon-interface
622 rhythmic-grob-interface))))))
626 (avoid-slur . outside)
629 (extra-spacing-width . (+inf.0 . -inf.0))
631 (outside-staff-priority . 450)
633 (parent-alignment-X . #f)
634 (script-priority . 200)
635 (self-alignment-X . #f)
637 (staff-padding . 0.5)
638 (stencil . ,ly:text-interface::print)
639 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
640 (Y-offset . ,side-position-interface::y-aligned-side)
641 (Y-extent . ,grob::always-Y-extent-from-stencil)
642 (meta . ((class . Item)
643 (interfaces . (font-interface
644 outside-staff-interface
645 self-alignment-interface
646 side-position-interface
648 text-script-interface))))))
652 (avoid-slur . inside)
653 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
654 (break-align-symbol . cue-clef)
655 (break-visibility . ,begin-of-line-visible)
656 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
658 (glyph-name . ,ly:clef::calc-glyph-name)
660 (full-size-change . #t)
661 (space-alist . ((staff-bar . (minimum-space . 2.7))
662 (key-cancellation . (minimum-space . 3.5))
663 (key-signature . (minimum-space . 3.5))
664 (time-signature . (minimum-space . 4.2))
665 (custos . (minimum-space . 0.0))
666 (first-note . (minimum-fixed-space . 3.0))
667 (next-note . (extra-space . 1.0))
668 (right-edge . (extra-space . 0.5))))
669 (stencil . ,ly:clef::print)
670 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
671 (Y-offset . ,staff-symbol-referencer::callback)
672 (Y-extent . ,grob::always-Y-extent-from-stencil)
673 (meta . ((class . Item)
674 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
675 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
676 (interfaces . (break-aligned-interface
679 pure-from-neighbor-interface
680 staff-symbol-referencer-interface))))))
684 (avoid-slur . inside)
685 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
686 (break-align-symbol . cue-end-clef)
687 (break-visibility . ,begin-of-line-invisible)
688 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-at-beginning-of-line)
690 (glyph-name . ,ly:clef::calc-glyph-name)
692 (full-size-change . #t)
693 (space-alist . ((clef . (extra-space . 0.7))
694 (cue-clef . (extra-space . 0.7))
695 (staff-bar . (extra-space . 0.7))
696 (key-cancellation . (minimum-space . 3.5))
697 (key-signature . (minimum-space . 3.5))
698 (time-signature . (minimum-space . 4.2))
699 (first-note . (minimum-fixed-space . 5.0))
700 (next-note . (extra-space . 1.0))
701 (right-edge . (extra-space . 0.5))))
702 (stencil . ,ly:clef::print)
703 (Y-offset . ,staff-symbol-referencer::callback)
704 (Y-extent . ,grob::always-Y-extent-from-stencil)
705 (meta . ((class . Item)
706 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
707 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
708 (interfaces . (break-aligned-interface
711 pure-from-neighbor-interface
712 staff-symbol-referencer-interface))))))
716 (break-align-symbol . custos)
717 (break-visibility . ,end-of-line-visible)
718 (neutral-direction . ,DOWN)
721 (first-note . (minimum-fixed-space . 0.0))
722 (right-edge . (extra-space . 0.1))))
723 (stencil . ,ly:custos::print)
725 (Y-offset . ,staff-symbol-referencer::callback)
726 (meta . ((class . Item)
727 (interfaces . (break-aligned-interface
730 staff-symbol-referencer-interface))))))
735 (chord-dots-limit . 3)
737 (positioning-done . ,ly:dot-column::calc-positioning-done)
738 (X-extent . ,ly:axis-group-interface::width)
739 (meta . ((class . Item)
740 (interfaces . (axis-group-interface
741 dot-column-interface))))))
745 (avoid-slur . inside)
746 (dot-count . ,dots::calc-dot-count)
747 (staff-position . ,dots::calc-staff-position)
748 (stencil . ,ly:dots::print)
749 (Y-extent . ,grob::always-Y-extent-from-stencil)
750 (extra-spacing-height . (-0.5 . 0.5))
751 (extra-spacing-width . (0.0 . 0.2))
752 (meta . ((class . Item)
753 (interfaces . (dots-interface
755 staff-symbol-referencer-interface))))))
759 (break-align-symbol . staff-bar)
760 (break-visibility . ,begin-of-line-invisible)
761 (dot-negative-kern . 0.75)
762 (font-encoding . fetaMusic)
764 (slash-negative-kern . 1.6)
766 (stencil . ,ly:percent-repeat-item-interface::double-percent)
767 (Y-extent . ,grob::always-Y-extent-from-stencil)
769 (meta . ((class . Item)
770 (interfaces . (break-aligned-interface
772 percent-repeat-interface
773 percent-repeat-item-interface))))))
775 (DoublePercentRepeatCounter
778 (font-encoding . fetaText)
781 (parent-alignment-X . ,CENTER)
782 (self-alignment-X . ,CENTER)
784 (staff-padding . 0.25)
785 (stencil . ,ly:text-interface::print)
786 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
787 (Y-extent . ,grob::always-Y-extent-from-stencil)
788 (Y-offset . ,side-position-interface::y-aligned-side)
789 (meta . ((class . Item)
790 (interfaces . (font-interface
791 outside-staff-interface
792 percent-repeat-interface
793 percent-repeat-item-interface
794 self-alignment-interface
795 side-position-interface
800 (dot-negative-kern . 0.75)
801 (font-encoding . fetaMusic)
802 (slash-negative-kern . 1.6)
804 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
805 (Y-extent . ,grob::always-Y-extent-from-stencil)
807 (meta . ((class . Item)
808 (interfaces . (font-interface
809 outside-staff-interface
810 percent-repeat-interface
811 percent-repeat-item-interface
812 rhythmic-grob-interface))))))
817 (cross-staff . ,ly:side-position-interface::calc-cross-staff)
819 (minimum-space . 1.2)
820 (outside-staff-priority . 250)
824 (staff-padding . 0.1)
825 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
826 (X-extent . ,ly:axis-group-interface::width)
827 (Y-extent . ,axis-group-interface::height)
828 (Y-offset . ,side-position-interface::y-aligned-side)
829 (meta . ((class . Spanner)
830 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
831 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
832 (interfaces . (axis-group-interface
834 dynamic-line-spanner-interface
835 outside-staff-interface
836 side-position-interface))))))
843 (direction . ,ly:script-interface::calc-direction)
844 (extra-spacing-width . (+inf.0 . -inf.0))
845 (font-encoding . fetaText)
847 (font-shape . italic)
848 (parent-alignment-X . ,CENTER)
849 (positioning-done . ,ly:script-interface::calc-positioning-done)
850 (right-padding . 0.5)
851 (self-alignment-X . ,CENTER)
852 (stencil . ,ly:text-interface::print)
853 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
854 (Y-extent . ,grob::always-Y-extent-from-stencil)
855 (X-align-on-main-noteheads . #t)
856 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
857 (Y-offset . ,(scale-by-font-size -0.6)) ; center on an 'm'
858 (meta . ((class . Item)
859 (interfaces . (dynamic-interface
860 dynamic-text-interface
862 outside-staff-interface
864 self-alignment-interface
869 (before-line-breaking . ,dynamic-text-spanner::before-line-breaking)
870 (bound-details . ((right . ((attach-dir . ,LEFT)
874 (right-broken . ((attach-dir . ,RIGHT)
878 (left . ((attach-dir . ,LEFT)
880 (stencil-offset . (-0.75 . -0.5))
883 (left-broken . ((attach-dir . ,RIGHT)
886 (dash-fraction . 0.2)
889 ;; rather ugh with NCSB
890 ;; (font-series . bold)
891 (font-shape . italic)
893 ;; need to blend with dynamic texts.
896 (left-bound-info . ,ly:line-spanner::calc-left-bound-info-and-text)
898 (minimum-length . 2.0)
899 ;; make sure the spanner doesn't get too close to notes
900 (minimum-Y-extent . (-1 . 1))
902 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
903 (skyline-horizontal-padding . 0.2)
904 (springs-and-rods . ,ly:spanner::set-spacing-rods)
905 (stencil . ,ly:line-spanner::print)
906 (style . dashed-line)
907 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
908 (meta . ((class . Spanner)
909 (interfaces . (dynamic-interface
910 dynamic-text-spanner-interface
913 line-spanner-interface
914 ;for now, LilyPond never will typeset
915 ;these without a DynamicLineSpanner
916 ;as their controlling element
917 ;so, they do not need the
918 ;outside-staff-interface
925 (bound-details . ((left . ((Y . 0)
931 (attach-dir . ,RIGHT)
935 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
936 (quantize-position . #t)
937 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
939 (stencil . ,ly:line-spanner::print)
941 (Y-offset . ,side-position-interface::y-aligned-side)
942 (meta . ((class . Spanner)
943 (interfaces . (episema-interface
946 line-spanner-interface
947 side-position-interface))))))
953 ;; sync with TextScript (?)
954 (add-stem-support . ,only-if-beamed)
955 (avoid-slur . around)
956 (cross-staff . ,script-or-side-position-cross-staff)
957 (direction . ,ly:script-interface::calc-direction)
958 (font-encoding . fetaText)
959 (font-size . -5) ; don't overlap when next to heads.
961 (parent-alignment-X . ,CENTER)
962 (parent-alignment-Y . ,CENTER)
963 (positioning-done . ,ly:script-interface::calc-positioning-done)
964 (script-priority . 100)
965 (self-alignment-X . ,CENTER)
966 (self-alignment-Y . ,CENTER)
968 (staff-padding . 0.5)
969 (stencil . ,ly:text-interface::print)
970 (text . ,fingering::calc-text)
971 (Y-extent . ,grob::always-Y-extent-from-stencil)
972 (meta . ((class . Item)
973 (interfaces . (finger-interface
975 outside-staff-interface
976 self-alignment-interface
977 side-position-interface
979 text-script-interface))))))
984 (positioning-done . ,ly:fingering-column::calc-positioning-done)
986 (meta . ((class . Item)
987 (interfaces . (fingering-column-interface))))))
991 (glyph-name . ,ly:flag::glyph-name)
992 (stencil . ,ly:flag::print)
993 (transparent . ,(grob::inherit-parent-property
995 (color . ,(grob::inherit-parent-property
997 (X-extent . ,ly:flag::width)
998 (X-offset . ,ly:flag::calc-x-offset)
999 (Y-offset . ,(ly:make-unpure-pure-container ly:flag::calc-y-offset ly:flag::pure-calc-y-offset))
1000 (Y-extent . ,grob::always-Y-extent-from-stencil)
1001 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1002 (meta . ((class . Item)
1003 (interfaces . (flag-interface
1004 font-interface))))))
1008 (annotation-balloon . #f)
1009 (annotation-line . #t)
1010 (automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
1011 (break-visibility . ,(grob::inherit-parent-property
1012 X 'break-visibility))
1014 (footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
1015 (stencil . ,ly:balloon-interface::print)
1016 (text . ,(grob::calc-property-by-copy 'text))
1019 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
1020 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
1021 (meta . ((class . Item)
1022 (interfaces . (balloon-interface
1025 text-interface))))))
1029 (annotation-balloon . #f)
1030 (annotation-line . #t)
1031 (automatically-numbered . ,(grob::calc-property-by-copy 'automatically-numbered))
1033 (footnote-text . ,(grob::calc-property-by-copy 'footnote-text))
1034 (spanner-placement . ,LEFT)
1035 (stencil . ,ly:balloon-interface::print-spanner)
1036 (text . ,(grob::calc-property-by-copy 'text))
1039 (X-offset . ,(grob::calc-property-by-copy 'X-offset))
1040 (Y-offset . ,(grob::calc-property-by-copy 'Y-offset))
1041 (meta . ((class . Spanner)
1042 (interfaces . (balloon-interface
1044 footnote-spanner-interface
1046 text-interface))))))
1050 (after-line-breaking . ,ly:chord-name::after-line-breaking)
1051 (fret-diagram-details . ((finger-code . below-string)))
1052 (stencil . ,fret-board::calc-stencil)
1053 (extra-spacing-height . (0.2 . -0.2))
1054 (extra-spacing-width . (-0.5 . 0.5))
1055 (Y-extent . ,grob::always-Y-extent-from-stencil)
1056 (meta . ((class . Item)
1057 (interfaces . (chord-name-interface
1059 fret-diagram-interface
1060 outside-staff-interface
1061 rhythmic-grob-interface))))))
1066 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
1067 (bound-details . ((right . ((attach-dir . ,LEFT)
1068 (end-on-accidental . #t)
1071 (left . ((attach-dir . ,RIGHT)
1076 (cross-staff . ,ly:line-spanner::calc-cross-staff)
1078 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
1079 (normalized-endpoints . ,ly:spanner::calc-normalized-endpoints)
1080 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
1082 (stencil . ,ly:line-spanner::print)
1084 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1087 (zigzag-width . 0.75)
1088 (meta . ((class . Spanner)
1089 (interfaces . (glissando-interface
1091 line-spanner-interface
1092 unbreakable-spanner-interface))))))
1096 (common-shortest-duration . ,grace-spacing::calc-shortest-duration)
1097 (shortest-duration-space . 1.6)
1098 (spacing-increment . 0.8)
1099 (meta . ((class . Spanner)
1100 (interfaces . (grace-spacing-interface
1101 spacing-options-interface
1102 spanner-interface))))))
1107 (parent-alignment-X . ,CENTER)
1108 (self-alignment-X . ,CENTER)
1109 (stencil . ,ly:grid-line-interface::print)
1110 (X-extent . ,ly:grid-line-interface::width)
1111 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1112 (meta . ((class . Item)
1113 (interfaces . (grid-line-interface
1114 self-alignment-interface))))))
1118 (X-extent . (0 . 0))
1119 (Y-extent . (0 . 0))
1120 (meta . ((class . Item)
1121 (interfaces . (grid-point-interface))))))
1126 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
1127 (bound-padding . 1.0)
1128 (broken-bound-padding . ,ly:hairpin::broken-bound-padding)
1130 (grow-direction . ,hairpin::calc-grow-direction)
1132 (minimum-length . 2.0)
1133 (self-alignment-Y . ,CENTER)
1134 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1135 (stencil . ,ly:hairpin::print)
1138 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1139 (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:hairpin::pure-height))
1140 (Y-offset . ,self-alignment-interface::y-aligned-on-self)
1141 (meta . ((class . Spanner)
1142 (interfaces . (dynamic-interface
1145 outside-staff-interface
1146 self-alignment-interface
1147 spanner-interface))))))
1151 (bracket-flare . (0.5 . 0.5))
1152 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1156 (staff-padding . 0.2)
1157 (stencil . ,ly:horizontal-bracket::print)
1159 (Y-offset . ,side-position-interface::y-aligned-side)
1160 (meta . ((class . Spanner)
1161 (interfaces . (horizontal-bracket-interface
1163 outside-staff-interface
1164 side-position-interface
1165 spanner-interface))))))
1167 (HorizontalBracketText
1169 (direction . ,ly:horizontal-bracket-text::calc-direction)
1172 (parent-alignment-X . ,CENTER)
1173 (self-alignment-X . ,CENTER)
1175 (stencil . ,ly:horizontal-bracket-text::print)
1176 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1177 (Y-offset . ,side-position-interface::y-aligned-side)
1178 (meta . ((class . Spanner)
1179 (interfaces . (font-interface
1180 horizontal-bracket-text-interface
1181 outside-staff-interface
1182 self-alignment-interface
1183 side-position-interface
1184 text-interface))))))
1190 (self-alignment-X . ,CENTER)
1191 (self-alignment-Y . ,CENTER)
1192 (stencil . ,system-start-text::print)
1193 (X-offset . ,system-start-text::calc-x-offset)
1194 (Y-offset . ,system-start-text::calc-y-offset)
1195 (meta . ((class . Spanner)
1196 (interfaces . (font-interface
1197 self-alignment-interface
1198 side-position-interface
1199 system-start-text-interface
1200 text-interface))))))
1205 (extra-spacing-width . (+inf.0 . -inf.0))
1206 (outside-staff-priority . 500)
1208 (parent-alignment-X . #f)
1209 (self-alignment-X . ,LEFT)
1211 (staff-padding . 0.5)
1212 (stencil . ,ly:text-interface::print)
1213 (Y-extent . ,grob::always-Y-extent-from-stencil)
1214 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1215 (Y-offset . ,side-position-interface::y-aligned-side)
1216 (meta . ((class . Item)
1217 (interfaces . (font-interface
1218 outside-staff-interface
1219 self-alignment-interface
1220 side-position-interface
1221 text-interface))))))
1226 (break-align-symbol . key-cancellation)
1227 (break-visibility . ,begin-of-line-invisible)
1228 (glyph-name-alist . ,cancellation-glyph-name-alist)
1230 (flat-positions . (2 3 4 2 1 2 1))
1231 (sharp-positions . (4 5 4 2 3 2 3))
1233 (time-signature . (extra-space . 1.25))
1234 (staff-bar . (extra-space . 0.6))
1235 (key-signature . (extra-space . 0.5))
1236 (cue-clef . (extra-space . 0.5))
1237 (right-edge . (extra-space . 0.5))
1238 (first-note . (fixed-space . 2.5))
1239 (custos . (extra-space . 1.0))))
1240 (stencil . ,ly:key-signature-interface::print)
1241 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1242 (Y-extent . ,grob::always-Y-extent-from-stencil)
1243 (extra-spacing-width . (0.0 . 1.0))
1244 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
1245 (Y-offset . ,staff-symbol-referencer::callback)
1246 (meta . ((class . Item)
1247 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1248 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
1249 (interfaces . (break-aligned-interface
1251 key-cancellation-interface
1252 key-signature-interface
1253 pure-from-neighbor-interface
1254 staff-symbol-referencer-interface))))))
1258 (avoid-slur . inside)
1259 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1260 (break-align-anchor-alignment . ,RIGHT)
1261 (break-align-symbol . key-signature)
1262 (break-visibility . ,begin-of-line-visible)
1263 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
1265 (flat-positions . (2 3 4 2 1 2 1))
1266 (sharp-positions . (4 5 4 2 3 2 3))
1268 (time-signature . (extra-space . 1.15))
1269 (staff-bar . (extra-space . 1.1))
1270 (cue-clef . (extra-space . 0.5))
1271 (right-edge . (extra-space . 0.5))
1272 (first-note . (fixed-space . 2.5))))
1273 (stencil . ,ly:key-signature-interface::print)
1274 (Y-extent . ,grob::always-Y-extent-from-stencil)
1275 (extra-spacing-width . (0.0 . 1.0))
1276 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
1277 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1278 (Y-offset . ,staff-symbol-referencer::callback)
1279 (meta . ((class . Item)
1280 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1281 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
1282 (interfaces . (break-aligned-interface
1284 key-signature-interface
1285 pure-from-neighbor-interface
1286 staff-symbol-referencer-interface))))))
1290 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1291 (stencil . ,ly:kievan-ligature::print)
1293 (meta . ((class . Spanner)
1294 (interfaces . (font-interface
1295 kievan-ligature-interface))))))
1299 (control-points . ,ly:semi-tie::calc-control-points)
1300 (cross-staff . ,semi-tie::calc-cross-staff)
1301 (details . ((ratio . 0.333)
1302 (height-limit . 1.0)))
1303 (direction . ,ly:tie::calc-direction)
1304 (head-direction . ,LEFT)
1305 (stencil . ,laissez-vibrer::print)
1307 (extra-spacing-height . (-0.5 . 0.5))
1308 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1309 (Y-extent . ,grob::always-Y-extent-from-stencil)
1310 (meta . ((class . Item)
1311 (interfaces . (semi-tie-interface))))))
1313 (LaissezVibrerTieColumn
1315 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1316 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1319 (meta . ((class . Item)
1320 (interfaces . (semi-tie-column-interface))))))
1325 (length-fraction . 0.25)
1326 (minimum-length-fraction . 0.25)
1327 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
1328 (stencil . ,ly:ledger-line-spanner::print)
1329 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1332 (meta . ((class . Spanner)
1333 (interfaces . (ledger-line-spanner-interface))))))
1337 (break-align-anchor . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
1338 (break-align-symbol . left-edge)
1339 (break-visibility . ,begin-of-line-visible)
1342 (ambitus . (extra-space . 2.0))
1343 (breathing-sign . (minimum-space . 0.0))
1344 (cue-end-clef . (extra-space . 0.8))
1345 (clef . (extra-space . 0.8))
1346 (cue-clef . (extra-space . 0.8))
1347 (staff-bar . (extra-space . 0.0))
1348 (key-cancellation . (extra-space . 0.0))
1349 (key-signature . (extra-space . 0.8))
1350 (time-signature . (extra-space . 1.0))
1351 (custos . (extra-space . 0.0))
1352 (first-note . (fixed-space . 2.0))
1353 (right-edge . (extra-space . 0.0))
1355 (X-extent . (0 . 0))
1356 (Y-extent . (0 . 0))
1357 (meta . ((class . Item)
1358 (interfaces . (break-aligned-interface))))))
1362 ;; ugh. A ligature bracket is totally different from
1363 ;; a tuplet bracket.
1365 (bracket-visibility . #t)
1366 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1368 (edge-height . (0.7 . 0.7))
1370 (positions . ,ly:tuplet-bracket::calc-positions)
1371 (shorten-pair . (-0.2 . -0.2))
1372 (staff-padding . 0.25)
1373 (stencil . ,ly:tuplet-bracket::print)
1375 (X-positions . ,ly:tuplet-bracket::calc-x-positions)
1376 (meta . ((class . Spanner)
1377 (interfaces . (line-interface
1378 tuplet-bracket-interface))))))
1382 (minimum-length . 1.5)
1383 (stencil . ,ly:lyric-extender::print)
1384 (thickness . 0.8) ; line-thickness
1385 (Y-extent . (0 . 0))
1386 (meta . ((class . Spanner)
1387 (interfaces . (lyric-extender-interface
1388 lyric-interface))))))
1392 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
1393 (dash-period . 10.0)
1396 (minimum-distance . 0.1)
1397 (minimum-length . 0.3)
1399 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
1400 (stencil . ,ly:lyric-hyphen::print)
1401 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1403 (Y-extent . (0 . 0))
1404 (meta . ((class . Spanner)
1405 (interfaces . (font-interface
1406 lyric-hyphen-interface
1408 spanner-interface))))))
1412 (minimum-distance . 0.45)
1414 (springs-and-rods . ,ly:lyric-hyphen::set-spacing-rods)
1417 (meta . ((class . Spanner)
1418 (interfaces . (lyric-hyphen-interface
1419 spanner-interface))))))
1423 (extra-spacing-width . (0.0 . 0.0))
1424 ;; Recede in height for purposes of note spacing,
1425 ;; so notes in melismata can be freely spaced above lyrics
1426 (extra-spacing-height . (0.2 . -0.2))
1427 (font-series . medium)
1429 (parent-alignment-X . ())
1430 (self-alignment-X . ,CENTER)
1431 (stencil . ,lyric-text::print)
1432 (text . ,(grob::calc-property-by-copy 'text))
1434 (skyline-horizontal-padding . 0.1)
1435 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1436 (X-align-on-main-noteheads . #t)
1437 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1438 (Y-extent . ,grob::always-Y-extent-from-stencil)
1439 (meta . ((class . Item)
1440 (interfaces . (font-interface
1441 lyric-syllable-interface
1442 rhythmic-grob-interface
1443 self-alignment-interface
1444 text-interface))))))
1450 (font-encoding . fetaText)
1452 (outside-staff-horizontal-padding . 0.5)
1453 (outside-staff-priority . 750)
1454 (self-alignment-X . ,CENTER)
1456 (spacing-pair . (break-alignment . break-alignment))
1457 (staff-padding . 0.5)
1458 (stencil . ,measure-counter-stencil)
1459 (Y-offset . ,side-position-interface::y-aligned-side)
1460 (meta . ((class . Spanner)
1461 (interfaces . (font-interface
1462 measure-counter-interface
1463 outside-staff-interface
1464 self-alignment-interface
1465 side-position-interface
1466 text-interface))))))
1475 (stencil . ,ly:measure-grouping::print)
1477 (Y-offset . ,side-position-interface::y-aligned-side)
1478 (meta . ((class . Spanner)
1479 (interfaces . (measure-grouping-interface
1480 outside-staff-interface
1481 side-position-interface))))))
1485 (neutral-direction . ,DOWN)
1486 (meta . ((class . Item)
1487 (interfaces . (melody-spanner-interface))))))
1491 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1492 (stencil . ,ly:mensural-ligature::print)
1494 (meta . ((class . Spanner)
1495 (interfaces . (font-interface
1496 mensural-ligature-interface))))))
1500 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
1501 (break-visibility . ,end-of-line-invisible)
1503 (extra-spacing-width . (+inf.0 . -inf.0))
1504 (flag-style . default)
1505 (outside-staff-horizontal-padding . 0.2)
1506 (outside-staff-priority . 1000)
1509 (stencil . ,ly:text-interface::print)
1510 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1511 (Y-offset . ,side-position-interface::y-aligned-side)
1512 (X-offset . ,self-alignment-interface::self-aligned-on-breakable)
1513 (self-alignment-X . ,LEFT)
1514 (break-align-symbols . (time-signature))
1515 (non-break-align-symbols . (paper-column-interface))
1516 (Y-extent . ,grob::always-Y-extent-from-stencil)
1517 (meta . ((class . Item)
1518 (interfaces . (break-alignable-interface
1520 metronome-mark-interface
1521 outside-staff-interface
1522 self-alignment-interface
1523 side-position-interface
1524 text-interface))))))
1529 (hair-thickness . 2.0)
1530 (round-up-exceptions . ())
1531 (bound-padding . 0.5)
1532 (max-symbol-separation . 8.0)
1533 (space-increment . 2.0)
1534 (spacing-pair . (break-alignment . break-alignment))
1535 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1536 (stencil . ,ly:multi-measure-rest::print)
1537 (thick-thickness . 6.6)
1538 ;; See Wanske pp. 125
1539 (usable-duration-logs . ,(iota 4 -3))
1540 (voiced-position . 4)
1541 (Y-extent . ,(ly:make-unpure-pure-container ly:multi-measure-rest::height))
1542 (Y-offset . ,staff-symbol-referencer::callback)
1543 (meta . ((class . Spanner)
1544 (interfaces . (font-interface
1545 multi-measure-interface
1546 outside-staff-interface
1547 multi-measure-rest-interface
1549 staff-symbol-referencer-interface))))))
1551 (MultiMeasureRestNumber
1553 (bound-padding . 1.0)
1555 (font-encoding . fetaText)
1557 (parent-alignment-X . ,CENTER)
1558 (self-alignment-X . ,CENTER)
1560 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1561 (staff-padding . 0.4)
1562 (stencil . ,ly:text-interface::print)
1563 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1564 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1565 (Y-extent . ,grob::always-Y-extent-from-stencil)
1566 (Y-offset . ,side-position-interface::y-aligned-side)
1567 (meta . ((class . Spanner)
1568 (interfaces . (font-interface
1569 multi-measure-interface
1570 outside-staff-interface
1571 self-alignment-interface
1572 side-position-interface
1573 text-interface))))))
1575 (MultiMeasureRestText
1578 (outside-staff-priority . 450)
1580 (parent-alignment-X . ,CENTER)
1581 (self-alignment-X . ,CENTER)
1582 (skyline-horizontal-padding . 0.2)
1583 (staff-padding . 0.25)
1584 (stencil . ,ly:text-interface::print)
1585 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1586 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1587 (Y-extent . ,grob::always-Y-extent-from-stencil)
1588 (Y-offset . ,side-position-interface::y-aligned-side)
1589 (meta . ((class . Spanner)
1590 (interfaces . (font-interface
1591 multi-measure-interface
1592 outside-staff-interface
1593 self-alignment-interface
1594 side-position-interface
1595 text-interface))))))
1598 (NonMusicalPaperColumn
1600 (allow-loose-spacing . #t)
1602 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1603 (bound-alignment-interfaces . (break-alignment-interface))
1604 ;; used by Paper_column::print when debugging columns:
1606 (full-measure-extra-space . 1.0)
1607 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1608 ;; (stencil . ,ly:paper-column::print)
1610 (keep-inside-line . #t)
1611 ;; used by Paper_column::print when debugging columns:
1613 (line-break-permission . allow)
1615 (page-break-permission . allow)
1616 (X-extent . ,ly:axis-group-interface::width)
1617 (meta . ((class . Paper_column)
1618 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1619 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1620 (interfaces . (axis-group-interface
1622 paper-column-interface
1623 separation-item-interface
1624 spaceable-grob-interface))))))
1629 (note-collision-threshold . 1)
1630 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1631 (prefer-dotted-right . #t)
1632 (X-extent . ,ly:axis-group-interface::width)
1633 (Y-extent . ,axis-group-interface::height)
1634 (meta . ((class . Item)
1635 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1636 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1637 (interfaces . (axis-group-interface
1638 note-collision-interface))))))
1643 (bound-alignment-interfaces . (rhythmic-head-interface stem-interface))
1644 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1645 (skyline-vertical-padding . 0.15)
1646 (X-extent . ,ly:axis-group-interface::width)
1647 (Y-extent . ,axis-group-interface::height)
1648 (meta . ((class . Item)
1649 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1650 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1651 (interfaces . (axis-group-interface
1652 note-column-interface
1653 separation-item-interface))))))
1658 (duration-log . ,note-head::calc-duration-log)
1659 (extra-spacing-height . ,ly:note-head::include-ledger-line-height)
1660 (glyph-name . ,note-head::calc-glyph-name)
1661 (ligature-flexa . #f)
1662 (parenthesis-friends . (accidental-grob dot))
1663 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1664 (stencil . ,ly:note-head::print)
1665 (X-offset . ,ly:note-head::stem-x-shift)
1666 (Y-offset . ,staff-symbol-referencer::callback)
1667 (Y-extent . ,grob::always-Y-extent-from-stencil)
1668 (meta . ((class . Item)
1669 (interfaces . (font-interface
1670 gregorian-ligature-interface
1672 ligature-head-interface
1673 mensural-ligature-interface
1675 rhythmic-grob-interface
1676 rhythmic-head-interface
1677 staff-symbol-referencer-interface
1678 vaticana-ligature-interface))))))
1682 (stencil . ,ly:text-interface::print)
1683 (Y-extent . ,grob::always-Y-extent-from-stencil)
1684 (meta . ((class . Item)
1685 (interfaces . (font-interface
1687 text-interface))))))
1691 ;; Changed this from 0.75.
1692 ;; If you ever change this back, please document! --hwn
1693 (knee-spacing-correction . 1.0)
1694 (same-direction-correction . 0.25)
1695 (space-to-barline . #t)
1696 (stem-spacing-correction . 0.5)
1697 (meta . ((class . Item)
1698 (interfaces . (note-spacing-interface
1699 spacing-interface))))))
1703 (dash-fraction . 0.3)
1705 (edge-height . (0 . 0.8))
1706 (font-shape . italic)
1707 (minimum-length . 0.3)
1708 (outside-staff-priority . 400)
1710 (shorten-pair . (-0.8 . -0.6))
1711 (staff-padding . 2.0)
1712 (stencil . ,ly:ottava-bracket::print)
1713 (style . dashed-line)
1714 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1715 (Y-offset . ,side-position-interface::y-aligned-side)
1716 (meta . ((class . Spanner)
1717 (interfaces . (font-interface
1718 horizontal-bracket-interface
1720 outside-staff-interface
1721 ottava-bracket-interface
1722 side-position-interface
1723 text-interface))))))
1728 (allow-loose-spacing . #t)
1730 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1731 (bound-alignment-interfaces . (note-column-interface))
1732 ;; used by Paper_column::print when debugging columns:
1734 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1735 (keep-inside-line . #t)
1736 ;; used by Paper_column::print when debugging columns:
1738 ;; 0.08 comes from spacing-horizontal-skyline.ly
1739 ;; allows double flat of F to be nestled over dots of C
1740 (skyline-vertical-padding . 0.08)
1741 ;; (stencil . ,ly:paper-column::print)
1742 (X-extent . ,ly:axis-group-interface::width)
1743 (meta . ((class . Paper_column)
1744 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1745 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1746 (interfaces . (axis-group-interface
1748 paper-column-interface
1749 separation-item-interface
1750 spaceable-grob-interface))))))
1756 (stencil . ,parentheses-item::print)
1757 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1758 ;; X-extent needs to be non-empty in order to allow proper
1759 ;; horizontal attachment. ParenthesesItem does not reserve
1760 ;; space of its own, however.
1761 (X-extent . (0 . 0))
1762 (Y-extent . ,parentheses-item::y-extent)
1763 (meta . ((class . Item)
1764 (interfaces . (font-interface
1765 parentheses-interface))))))
1769 (dot-negative-kern . 0.75)
1770 (font-encoding . fetaMusic)
1772 (spacing-pair . (break-alignment . staff-bar))
1773 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1774 (stencil . ,ly:multi-measure-rest::percent)
1776 (meta . ((class . Spanner)
1777 (interfaces . (font-interface
1778 multi-measure-rest-interface
1779 percent-repeat-interface))))))
1781 (PercentRepeatCounter
1784 (font-encoding . fetaText)
1787 (parent-alignment-X . ,CENTER)
1788 (self-alignment-X . ,CENTER)
1789 (staff-padding . 0.25)
1790 (stencil . ,ly:text-interface::print)
1791 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1792 (Y-extent . ,grob::always-Y-extent-from-stencil)
1793 (Y-offset . ,side-position-interface::y-aligned-side)
1794 (meta . ((class . Spanner)
1795 (interfaces . (font-interface
1796 percent-repeat-interface
1797 outside-staff-interface
1798 self-alignment-interface
1799 side-position-interface
1800 text-interface))))))
1804 (control-points . ,ly:slur::calc-control-points)
1805 (cross-staff . ,ly:slur::calc-cross-staff)
1806 (details . ,default-slur-details)
1807 (direction . ,ly:slur::calc-direction)
1808 (height-limit . 2.0)
1809 (minimum-length . 1.5)
1811 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1812 (stencil . ,ly:slur::print)
1814 (vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
1815 (Y-extent . ,slur::height)
1816 (meta . ((class . Spanner)
1817 (interfaces . (outside-staff-interface
1818 slur-interface))))))
1820 ;; an example of a text spanner
1823 (bound-padding . 1.0)
1824 (bracket-flare . (0.5 . 0.5))
1826 (edge-height . (1.0 . 1.0))
1827 (shorten-pair . (0.0 . 0.0))
1828 (stencil . ,ly:piano-pedal-bracket::print)
1831 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1832 (meta . ((class . Spanner)
1833 (interfaces . (line-interface
1834 piano-pedal-bracket-interface
1835 piano-pedal-interface))))))
1840 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
1842 (break-align-symbols . (staff-bar key-signature clef))
1843 (break-visibility . ,end-of-line-invisible)
1845 (extra-spacing-width . (+inf.0 . -inf.0))
1848 (outside-staff-horizontal-padding . 0.2)
1849 (outside-staff-priority . 1500)
1851 (self-alignment-X . ,CENTER)
1852 (stencil . ,ly:text-interface::print)
1853 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1854 (X-offset . ,self-alignment-interface::self-aligned-on-breakable)
1855 (Y-offset . ,side-position-interface::y-aligned-side)
1856 (Y-extent . ,grob::always-Y-extent-from-stencil)
1857 (meta . ((class . Item)
1858 (interfaces . (break-alignable-interface
1861 outside-staff-interface
1862 self-alignment-interface
1863 side-position-interface
1864 text-interface))))))
1868 (slash-negative-kern . 0.85)
1870 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1871 (Y-extent . ,grob::always-Y-extent-from-stencil)
1873 (meta . ((class . Item)
1874 (interfaces . (percent-repeat-interface
1875 percent-repeat-item-interface
1876 rhythmic-grob-interface))))))
1880 (cross-staff . ,semi-tie::calc-cross-staff)
1881 (control-points . ,ly:semi-tie::calc-control-points)
1882 (details . ((ratio . 0.333)
1883 (height-limit . 1.0)))
1884 (direction . ,ly:tie::calc-direction)
1885 (head-direction . ,RIGHT)
1886 (stencil . ,ly:tie::print)
1888 (extra-spacing-height . (-0.5 . 0.5))
1889 (Y-extent . ,grob::always-Y-extent-from-stencil)
1890 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1891 (meta . ((class . Item)
1892 (interfaces . (semi-tie-interface))))))
1896 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1897 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1900 (meta . ((class . Item)
1901 (interfaces . (semi-tie-column-interface))))))
1905 (cross-staff . ,ly:rest::calc-cross-staff)
1906 (duration-log . ,stem::calc-duration-log)
1907 (minimum-distance . 0.25)
1908 (parenthesis-friends . (dot))
1909 (stencil . ,ly:rest::print)
1910 (voiced-position . 4)
1911 (X-extent . ,ly:rest::width)
1912 (Y-extent . ,(ly:make-unpure-pure-container ly:rest::height ly:rest::pure-height))
1913 (Y-offset . ,(ly:make-unpure-pure-container ly:rest::y-offset-callback))
1914 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1915 (meta . ((class . Item)
1916 (interfaces . (font-interface
1918 rhythmic-grob-interface
1919 rhythmic-head-interface
1920 staff-symbol-referencer-interface))))))
1924 (minimum-distance . 0.75)
1925 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1926 (meta . ((class . Item)
1927 (interfaces . (rest-collision-interface))))))
1932 (add-stem-support . #t)
1933 (cross-staff . ,ly:script-interface::calc-cross-staff)
1934 (direction . ,ly:script-interface::calc-direction)
1935 (font-encoding . fetaMusic)
1936 (horizon-padding . 0.1) ; to avoid interleaving with accidentals
1937 (positioning-done . ,ly:script-interface::calc-positioning-done)
1938 (self-alignment-X . ,CENTER)
1941 ;; padding set in script definitions.
1942 (slur-padding . 0.2)
1943 (staff-padding . 0.25)
1945 (stencil . ,ly:script-interface::print)
1946 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1947 (Y-extent . ,grob::always-Y-extent-from-stencil)
1948 (X-offset . ,script-interface::calc-x-offset)
1949 (Y-offset . ,side-position-interface::y-aligned-side)
1950 (meta . ((class . Item)
1951 (interfaces . (font-interface
1952 outside-staff-interface
1954 self-alignment-interface
1955 side-position-interface))))))
1959 (before-line-breaking . ,ly:script-column::before-line-breaking)
1960 (meta . ((class . Item)
1961 (interfaces . (script-column-interface))))))
1965 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1966 (meta . ((class . Item)
1967 (interfaces . (script-column-interface))))))
1971 (avoid-slur . inside)
1972 (control-points . ,ly:slur::calc-control-points)
1973 (cross-staff . ,ly:slur::calc-cross-staff)
1974 (details . ,default-slur-details)
1975 (direction . ,ly:slur::calc-direction)
1976 (height-limit . 2.0)
1977 (line-thickness . 0.8)
1978 (minimum-length . 1.5)
1980 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1981 (stencil . ,ly:slur::print)
1983 (vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
1984 (Y-extent . ,slur::height)
1985 (meta . ((class . Spanner)
1986 (interfaces . (outside-staff-interface
1987 slur-interface))))))
1991 (direction . ,RIGHT)
1992 (extra-spacing-width . (+inf.0 . -inf.0))
1993 (font-shape . italic)
1994 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1995 (parent-alignment-X . #f)
1996 (self-alignment-X . ,CENTER)
1997 (stencil . ,ly:text-interface::print)
1998 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1999 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2000 (Y-extent . ,grob::always-Y-extent-from-stencil)
2001 (meta . ((class . Item)
2002 (interfaces . (font-interface
2003 piano-pedal-script-interface
2004 self-alignment-interface
2005 text-interface))))))
2007 (SostenutoPedalLineSpanner
2011 (minimum-space . 1.0)
2012 (outside-staff-priority . 1000)
2015 (staff-padding . 1.0)
2016 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2017 (X-extent . ,ly:axis-group-interface::width)
2018 (Y-extent . ,axis-group-interface::height)
2019 (Y-offset . ,side-position-interface::y-aligned-side)
2020 (meta . ((class . Spanner)
2021 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2022 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2023 (interfaces . (axis-group-interface
2024 outside-staff-interface
2025 piano-pedal-interface
2026 side-position-interface))))))
2030 (average-spacing-wishes . #t)
2031 (base-shortest-duration . ,(ly:make-moment 3 16))
2032 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
2033 (shortest-duration-space . 2.0)
2034 (spacing-increment . 1.2)
2035 (springs-and-rods . ,ly:spacing-spanner::set-springs)
2036 (meta . ((class . Spanner)
2037 (interfaces . (spacing-options-interface
2038 spacing-spanner-interface))))))
2042 (allow-span-bar . #t)
2043 (bar-extent . ,axis-group-interface::height)
2044 (before-line-breaking . ,ly:span-bar::before-line-breaking)
2045 (break-align-symbol . staff-bar)
2047 (glyph-name . ,ly:span-bar::calc-glyph-name)
2050 (stencil . ,ly:span-bar::print)
2051 (X-extent . ,ly:span-bar::width)
2052 (Y-extent . (+inf.0 . -inf.0))
2053 (meta . ((class . Item)
2054 (interfaces . (bar-line-interface
2056 span-bar-interface))))))
2060 (X-extent . ,(grob::inherit-parent-property
2062 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height)
2063 ;; we want this to be ignored, so empty, but the extra spacing height
2064 ;; should preserve the span bar's presence for horizontal spacing
2065 (Y-extent . ,pure-from-neighbor-interface::height-if-pure)
2066 (meta . ((class . Item)
2067 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2068 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
2069 (interfaces . (pure-from-neighbor-interface))))))
2073 (staff-staff-spacing . ((basic-distance . 9)
2074 (minimum-distance . 7)
2076 (stretchability . 5)))
2077 (staffgroup-staff-spacing . ((basic-distance . 10.5)
2078 (minimum-distance . 8)
2080 (stretchability . 9)))
2081 (meta . ((class . Spanner)
2082 (interfaces . (staff-grouper-interface))))))
2087 (stem-spacing-correction . 0.4)
2088 (meta . ((class . Item)
2089 (interfaces . (spacing-interface
2090 staff-spacing-interface))))))
2094 (break-align-symbols . (staff-bar break-alignment))
2096 (ledger-line-thickness . (1.0 . 0.1))
2098 (stencil . ,ly:staff-symbol::print)
2099 (Y-extent . ,(ly:make-unpure-pure-container ly:staff-symbol::height))
2100 (meta . ((class . Spanner)
2101 (interfaces . (staff-symbol-interface))))))
2106 (font-series . bold)
2109 (stencil . ,ly:text-interface::print)
2110 (X-offset . ,ly:side-position-interface::x-aligned-side)
2111 (Y-extent . ,grob::always-Y-extent-from-stencil)
2112 (meta . ((class . Item)
2113 (interfaces . (font-interface
2114 side-position-interface
2115 stanza-number-interface
2116 text-interface))))))
2120 (beamlet-default-length . (1.1 . 1.1))
2121 (beamlet-max-length-proportion . (0.75 . 0.75))
2122 (cross-staff . ,ly:stem::calc-cross-staff)
2123 (default-direction . ,ly:stem::calc-default-direction)
2126 ;; 3.5 (or 3 measured from note head) is standard length
2127 ;; 32nd, 64th, 128th flagged stems should be longer
2128 (lengths . (3.5 3.5 3.5 4.25 5.0 6.0))
2130 ;; FIXME. 3.5 yields too long beams (according to Ross and
2131 ;; looking at Baerenreiter examples) for a number of common
2132 ;; boundary cases. Subtracting half a beam thickness fixes
2133 ;; this, but the bug may well be somewhere else.
2135 ;; FIXME this should come from 'lengths
2136 (beamed-lengths . (3.26 3.5 3.6))
2138 ;; The 'normal' minima
2139 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
2140 ;;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
2142 ;; The 'extreme case' minima
2143 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
2145 ;; Stems in unnatural (forced) direction should be shortened by
2146 ;; one staff space, according to [Roush & Gourlay].
2147 ;; Flagged stems we shorten only half a staff space.
2148 (stem-shorten . (1.0 0.5 0.25))
2152 ;; We use the normal minima as minimum for the ideal lengths,
2153 ;; and the extreme minima as abolute minimum length.
2155 (direction . ,ly:stem::calc-direction)
2156 (double-stem-separation . 0.5)
2157 (duration-log . ,stem::calc-duration-log)
2158 (length . ,(ly:make-unpure-pure-container ly:stem::calc-length ly:stem::pure-calc-length))
2159 (neutral-direction . ,DOWN)
2160 (note-collision-threshold . 1)
2161 (positioning-done . ,ly:stem::calc-positioning-done)
2162 (stem-info . ,ly:stem::calc-stem-info)
2163 (stem-begin-position . ,(ly:make-unpure-pure-container ly:stem::calc-stem-begin-position ly:stem::pure-calc-stem-begin-position))
2164 (stencil . ,ly:stem::print)
2166 (X-extent . ,ly:stem::width)
2167 (X-offset . ,ly:stem::offset-callback)
2168 (Y-extent . ,(ly:make-unpure-pure-container ly:stem::height ly:stem::pure-height))
2169 (Y-offset . ,staff-symbol-referencer::callback)
2170 (meta . ((class . Item)
2171 (interfaces . (stem-interface))))))
2175 (X-extent . ,stem-stub::width)
2176 (extra-spacing-height . ,stem-stub::extra-spacing-height)
2177 (Y-extent . ,(ly:make-unpure-pure-container #f stem-stub::pure-height))
2178 (meta . ((class . Item)
2179 (interfaces . ())))))
2183 (beam-thickness . 0.48) ; staff-space
2184 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
2185 (direction . ,ly:stem-tremolo::calc-direction)
2186 (parent-alignment-X . ,CENTER)
2187 (slope . ,ly:stem-tremolo::calc-slope)
2188 (stencil . ,ly:stem-tremolo::print)
2189 (shape . ,ly:stem-tremolo::calc-shape)
2190 (X-extent . ,ly:stem-tremolo::width)
2191 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2192 (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:stem-tremolo::pure-height))
2193 (Y-offset . ,(ly:make-unpure-pure-container ly:stem-tremolo::calc-y-offset ly:stem-tremolo::pure-calc-y-offset))
2194 (meta . ((class . Item)
2195 (interfaces . (self-alignment-interface
2196 stem-tremolo-interface))))))
2200 (avoid-slur . around)
2201 (cross-staff . ,script-or-side-position-cross-staff)
2202 (font-encoding . fetaText)
2203 (font-size . -5) ; don't overlap when next to heads.
2204 (number-type . arabic)
2206 (parent-alignment-X . ,CENTER)
2207 (script-priority . 100)
2208 (self-alignment-X . ,CENTER)
2209 (self-alignment-Y . ,CENTER)
2210 (staff-padding . 0.5)
2211 (stencil . ,print-circled-text-callback)
2212 (text . ,string-number::calc-text)
2213 (Y-extent . ,grob::always-Y-extent-from-stencil)
2214 (meta . ((class . Item)
2215 (interfaces . (font-interface
2216 self-alignment-interface
2217 outside-staff-interface
2218 side-position-interface
2220 string-number-interface
2222 text-script-interface))))))
2226 (digit-names . #("p" "i" "m" "a" "x"))
2227 (font-shape . italic)
2228 (font-size . -4) ; don't overlap when next to heads.
2230 (parent-alignment-X . ,CENTER)
2231 (script-priority . 100)
2232 (self-alignment-X . ,CENTER)
2233 (self-alignment-Y . ,CENTER)
2234 (staff-padding . 0.5)
2235 (stencil . ,ly:text-interface::print)
2236 (text . ,stroke-finger::calc-text)
2237 (Y-extent . ,grob::always-Y-extent-from-stencil)
2238 (meta . ((class . Item)
2239 (interfaces . (font-interface
2240 outside-staff-interface
2241 self-alignment-interface
2242 side-position-interface
2243 stroke-finger-interface
2245 text-script-interface))))))
2249 (extra-spacing-width . (+inf.0 . -inf.0))
2250 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
2251 (parent-alignment-X . #f)
2252 (self-alignment-X . ,CENTER)
2253 (stencil . ,ly:sustain-pedal::print)
2254 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
2255 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2256 (Y-extent . ,grob::always-Y-extent-from-stencil)
2257 (meta . ((class . Item)
2258 (interfaces . (font-interface
2259 piano-pedal-interface
2260 piano-pedal-script-interface
2261 self-alignment-interface
2262 text-interface))))))
2264 (SustainPedalLineSpanner
2268 (minimum-space . 1.0)
2269 (outside-staff-priority . 1000)
2272 (staff-padding . 1.2)
2273 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2274 (X-extent . ,ly:axis-group-interface::width)
2275 (Y-extent . ,axis-group-interface::height)
2276 (Y-offset . ,side-position-interface::y-aligned-side)
2277 (meta . ((class . Spanner)
2278 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2279 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2280 (interfaces . (axis-group-interface
2281 outside-staff-interface
2282 piano-pedal-interface
2283 side-position-interface))))))
2287 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2289 (outside-staff-placement-directive . left-to-right-polite)
2290 (skyline-horizontal-padding . 1.0)
2291 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
2292 (X-extent . ,ly:axis-group-interface::width)
2293 (Y-extent . ,(ly:make-unpure-pure-container ly:system::height ly:system::calc-pure-height))
2294 (meta . ((class . System)
2295 (object-callbacks . ((footnotes-before-line-breaking . ,ly:system::footnotes-before-line-breaking)
2296 (footnotes-after-line-breaking . ,ly:system::footnotes-after-line-breaking)
2297 (pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
2298 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2299 (vertical-skyline-elements . ,ly:system::vertical-skyline-elements)
2300 (vertical-alignment . ,ly:system::get-vertical-alignment)))
2301 (interfaces . (axis-group-interface
2303 outside-staff-axis-group-interface))))))
2307 (collapse-height . 5.0)
2311 (padding . -0.1) ;; bar must cover rounded ending of staff line.
2312 (stencil . ,ly:system-start-delimiter::print)
2315 (X-offset . ,ly:side-position-interface::x-aligned-side)
2316 (meta . ((class . Spanner)
2317 (interfaces . (side-position-interface
2318 system-start-delimiter-interface))))))
2322 (collapse-height . 5.0)
2324 (font-encoding . fetaBraces)
2326 (stencil . ,ly:system-start-delimiter::print)
2328 (X-offset . ,ly:side-position-interface::x-aligned-side)
2329 (meta . ((class . Spanner)
2330 (interfaces . (font-interface
2331 side-position-interface
2332 system-start-delimiter-interface))))))
2336 (collapse-height . 5.0)
2339 (stencil . ,ly:system-start-delimiter::print)
2342 (X-offset . ,ly:side-position-interface::x-aligned-side)
2343 (meta . ((class . Spanner)
2344 (interfaces . (font-interface
2345 side-position-interface
2346 system-start-delimiter-interface))))))
2350 (collapse-height . 5.0)
2352 (stencil . ,ly:system-start-delimiter::print)
2353 (style . line-bracket)
2355 (X-offset . ,ly:side-position-interface::x-aligned-side)
2356 (meta . ((class . Spanner)
2357 (interfaces . (font-interface
2358 side-position-interface
2359 system-start-delimiter-interface))))))
2364 (details . ((cautionary-properties . ((angularity . 0.4)
2365 (half-thickness . 0.075)
2367 (procedure . ,parenthesize-stencil)
2370 (harmonic-properties . ((angularity . 2)
2371 (half-thickness . 0.075)
2373 (procedure . ,parenthesize-stencil)
2375 (repeat-tied-properties . ((note-head-visible . #t)
2376 (parenthesize . #t)))
2377 (tied-properties . ((break-visibility . ,begin-of-line-visible)
2378 (parenthesize . #t)))))
2380 (direction . ,CENTER)
2381 (duration-log . ,note-head::calc-duration-log)
2382 (font-series . bold)
2384 (parenthesis-friends . (dot))
2385 (stem-attachment . (0.0 . 1.35))
2386 (stencil . ,tab-note-head::print)
2388 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2389 (Y-offset . ,staff-symbol-referencer::callback)
2390 (Y-extent . ,grob::always-Y-extent-from-stencil)
2391 (meta . ((class . Item)
2392 (interfaces . (font-interface
2394 rhythmic-grob-interface
2395 rhythmic-head-interface
2396 staff-symbol-referencer-interface
2397 tab-note-head-interface
2398 text-interface))))))
2402 (avoid-slur . around)
2405 (extra-spacing-width . (+inf.0 . -inf.0))
2406 (outside-staff-horizontal-padding . 0.2)
2407 (outside-staff-priority . 450)
2409 ;; sync with Fingering ?
2412 (parent-alignment-X . #f)
2413 (script-priority . 200)
2414 ;; self-alignment cannot be LEFT because of fingering diagrams.
2415 (self-alignment-X . #f)
2417 (slur-padding . 0.5)
2418 (staff-padding . 0.5)
2419 (stencil . ,ly:text-interface::print)
2420 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
2421 (Y-extent . ,grob::always-Y-extent-from-stencil)
2422 (X-align-on-main-noteheads . #t)
2423 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2424 (Y-offset . ,side-position-interface::y-aligned-side)
2425 (meta . ((class . Item)
2426 (interfaces . (font-interface
2427 instrument-specific-markup-interface
2428 outside-staff-interface
2429 self-alignment-interface
2430 side-position-interface
2432 text-script-interface))))))
2436 (bound-details . ((left . ((Y . 0)
2438 (attach-dir . ,LEFT)
2440 (left-broken . ((attach-dir . ,RIGHT)))
2445 (dash-fraction . 0.2)
2448 (font-shape . italic)
2449 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2450 (outside-staff-priority . 350)
2451 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2453 (staff-padding . 0.8)
2454 (stencil . ,ly:line-spanner::print)
2455 (style . dashed-line)
2456 (Y-offset . ,side-position-interface::y-aligned-side)
2458 (meta . ((class . Spanner)
2459 (interfaces . (font-interface
2461 line-spanner-interface
2462 outside-staff-interface
2463 side-position-interface))))))
2467 (avoid-slur . inside)
2468 (control-points . ,ly:tie::calc-control-points)
2470 ;; for a full list, see tie-details.cc
2472 (center-staff-line-clearance . 0.6)
2473 (tip-staff-line-clearance . 0.45)
2474 (note-head-gap . 0.2)
2476 (height-limit . 1.0)
2477 (horizontal-distance-penalty-factor . 10)
2478 (same-dir-as-stem-penalty . 8)
2479 (min-length-penalty-factor . 26)
2480 (tie-tie-collision-distance . 0.45)
2481 (tie-tie-collision-penalty . 25.0)
2482 (intra-space-threshold . 1.25)
2483 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
2484 (outer-tie-length-symmetry-penalty-factor . 10)
2485 (vertical-distance-penalty-factor . 7)
2486 (outer-tie-vertical-gap . 0.25)
2487 (multi-tie-region-size . 3)
2488 (single-tie-region-size . 4)
2489 (between-length-limit . 1.0)))
2491 (direction . ,ly:tie::calc-direction)
2493 (line-thickness . 0.8)
2494 (neutral-direction . ,UP)
2495 (springs-and-rods . ,ly:spanner::set-spacing-rods)
2496 (stencil . ,ly:tie::print)
2497 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
2499 (meta . ((class . Spanner)
2500 (interfaces . (tie-interface))))))
2504 (before-line-breaking . ,ly:tie-column::before-line-breaking)
2505 (positioning-done . ,ly:tie-column::calc-positioning-done)
2508 (meta . ((class . Spanner)
2509 (interfaces . (tie-column-interface))))))
2513 (avoid-slur . inside)
2515 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
2516 (break-align-symbol . time-signature)
2517 (break-align-anchor-alignment . ,LEFT)
2518 (break-visibility . ,all-visible)
2519 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
2520 (extra-spacing-width . (0.0 . 0.8))
2523 (cue-clef . (extra-space . 1.5))
2524 (first-note . (fixed-space . 2.0))
2525 (right-edge . (extra-space . 0.5))
2526 (staff-bar . (extra-space . 1.0))))
2527 (stencil . ,ly:time-signature::print)
2528 (Y-extent . ,grob::always-Y-extent-from-stencil)
2530 (meta . ((class . Item)
2531 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2532 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
2533 (interfaces . (break-aligned-interface
2535 pure-from-neighbor-interface
2536 time-signature-interface))))))
2538 (TrillPitchAccidental
2542 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
2545 (stencil . ,ly:accidental-interface::print)
2546 (X-offset . ,ly:side-position-interface::x-aligned-side)
2547 (Y-extent . ,accidental-interface::height)
2548 (meta . ((class . Item)
2549 (interfaces . (accidental-interface
2551 inline-accidental-interface
2552 side-position-interface
2553 trill-pitch-accidental-interface))))))
2558 (direction . ,RIGHT)
2560 ;; minimum shift to the right, in case the parent note has no stem
2561 (minimum-space . 2.5)
2562 (horizon-padding . 0.1) ; to avoid interleaving with augmentation dots
2565 (stencil . ,parenthesize-elements)
2566 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2567 (X-offset . ,ly:side-position-interface::x-aligned-side)
2568 (Y-extent . ,grob::always-Y-extent-from-stencil)
2569 (meta . ((class . Item)
2570 (interfaces . (axis-group-interface
2573 parentheses-interface
2574 side-position-interface))))))
2580 (stencil . ,ly:note-head::print)
2581 (Y-offset . ,staff-symbol-referencer::callback)
2582 (Y-extent . ,grob::always-Y-extent-from-stencil)
2583 (meta . ((class . Item)
2584 (interfaces . (font-interface
2586 pitched-trill-interface
2587 rhythmic-head-interface
2588 staff-symbol-referencer-interface))))))
2592 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2593 (bound-details . ((left . ((text . ,(make-musicglyph-markup "scripts.trill"))
2595 (stencil-offset . (-0.5 . -1))
2597 (attach-dir . ,CENTER)
2599 (left-broken . ((end-on-note . #t)))
2603 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2604 (outside-staff-priority . 50)
2606 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2608 (staff-padding . 1.0)
2609 (stencil . ,ly:line-spanner::print)
2611 (Y-offset . ,side-position-interface::y-aligned-side)
2612 (meta . ((class . Spanner)
2613 (interfaces . (font-interface
2615 line-spanner-interface
2616 outside-staff-interface
2617 side-position-interface
2618 trill-spanner-interface))))))
2622 (avoid-scripts . #t)
2623 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2624 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2625 (direction . ,ly:tuplet-bracket::calc-direction)
2626 (edge-height . (0.7 . 0.7))
2627 (full-length-to-extent . #t)
2629 (positions . ,ly:tuplet-bracket::calc-positions)
2630 (shorten-pair . (-0.2 . -0.2))
2631 (staff-padding . 0.25)
2632 (stencil . ,ly:tuplet-bracket::print)
2634 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
2635 (X-positions . ,ly:tuplet-bracket::calc-x-positions)
2637 (meta . ((class . Spanner)
2638 (interfaces . (line-interface
2639 outside-staff-interface
2640 tuplet-bracket-interface))))))
2644 (avoid-slur . inside)
2645 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2646 (direction . ,tuplet-number::calc-direction)
2647 (font-shape . italic)
2650 (stencil . ,ly:tuplet-number::print)
2651 (text . ,tuplet-number::calc-denominator-text)
2652 (X-offset . ,ly:tuplet-number::calc-x-offset)
2653 (Y-offset . ,ly:tuplet-number::calc-y-offset)
2654 (meta . ((class . Spanner)
2655 (interfaces . (font-interface
2656 outside-staff-interface
2658 tuplet-number-interface))))))
2663 (direction . ,RIGHT)
2664 (extra-spacing-width . (+inf.0 . -inf.0))
2665 (font-shape . italic)
2666 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2667 (parent-alignment-X . #f)
2668 (self-alignment-X . ,CENTER)
2669 (stencil . ,ly:text-interface::print)
2670 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
2671 (Y-extent . ,grob::always-Y-extent-from-stencil)
2672 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2673 (meta . ((class . Item)
2674 (interfaces . (font-interface
2675 piano-pedal-script-interface
2676 self-alignment-interface
2677 text-interface))))))
2679 (UnaCordaPedalLineSpanner
2683 (minimum-space . 1.0)
2684 (outside-staff-priority . 1000)
2687 (staff-padding . 1.2)
2688 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2689 (X-extent . ,ly:axis-group-interface::width)
2690 (Y-extent . ,axis-group-interface::height)
2691 (Y-offset . ,side-position-interface::y-aligned-side)
2692 (meta . ((class . Spanner)
2693 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2694 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2695 (interfaces . (axis-group-interface
2696 outside-staff-interface
2697 piano-pedal-interface
2698 side-position-interface))))))
2704 (stencil . ,ly:vaticana-ligature::print)
2706 (meta . ((class . Spanner)
2707 (interfaces . (font-interface
2708 vaticana-ligature-interface))))))
2713 (positioning-done . ,ly:align-interface::align-to-ideal-distances)
2715 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2716 (X-extent . ,ly:axis-group-interface::width)
2717 (Y-extent . ,axis-group-interface::height)
2718 (meta . ((class . Spanner)
2719 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)
2720 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)
2721 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)))
2722 (interfaces . (align-interface
2723 axis-group-interface))))))
2727 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2729 (default-staff-staff-spacing . ((basic-distance . 9)
2730 (minimum-distance . 8)
2732 (nonstaff-unrelatedstaff-spacing . ((padding . 0.5)))
2733 (outside-staff-placement-directive . left-to-right-polite)
2734 (staff-staff-spacing . ,(ly:make-unpure-pure-container ly:axis-group-interface::calc-staff-staff-spacing ly:axis-group-interface::calc-pure-staff-staff-spacing))
2735 (stencil . ,ly:axis-group-interface::print)
2736 (skyline-horizontal-padding . 0.1)
2737 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2738 (X-extent . ,ly:axis-group-interface::width)
2739 (Y-extent . ,(ly:make-unpure-pure-container ly:hara-kiri-group-spanner::y-extent ly:hara-kiri-group-spanner::pure-height))
2740 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2741 (meta . ((class . Spanner)
2742 (object-callbacks . (
2743 (X-common . ,ly:axis-group-interface::calc-x-common)
2744 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2745 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2747 (interfaces . (axis-group-interface
2748 hara-kiri-group-spanner-interface
2749 outside-staff-axis-group-interface))))))
2753 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2754 (bound-details . ((right . ((attach-dir . ,CENTER)
2757 (left . ((attach-dir . ,CENTER)
2763 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2765 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2766 (stencil . ,ly:line-spanner::print)
2770 (meta . ((class . Spanner)
2771 (interfaces . (line-interface
2772 line-spanner-interface))))))
2776 (baseline-skip . 1.7)
2778 (edge-height . (2.0 . 2.0)) ;; staff-space;
2779 (font-encoding . fetaText)
2781 (shorten-pair . ,ly:volta-bracket::calc-shorten-pair)
2782 (stencil . ,ly:volta-bracket-interface::print)
2783 (thickness . 1.6) ;; line-thickness
2785 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
2786 (Y-extent . ,(grob::unpure-Y-extent-from-stencil volta-bracket-interface::pure-height))
2787 (meta . ((class . Spanner)
2788 (interfaces . (font-interface
2789 horizontal-bracket-interface
2791 side-position-interface
2793 volta-bracket-interface
2794 volta-interface))))))
2796 (VoltaBracketSpanner
2798 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
2802 (outside-staff-priority . 600)
2805 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2806 (X-extent . ,ly:axis-group-interface::width)
2807 (Y-extent . ,axis-group-interface::height)
2808 (Y-offset . ,side-position-interface::y-aligned-side)
2809 (meta . ((class . Spanner)
2810 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2811 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2812 (interfaces . (axis-group-interface
2813 outside-staff-interface
2814 side-position-interface
2815 volta-interface))))))
2819 (define (completize-grob-entry x)
2820 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2822 ;; (display (car x))
2824 (let* ((name-sym (car x))
2825 (grob-entry (cdr x))
2826 (meta-entry (assoc-get 'meta grob-entry))
2827 (class (assoc-get 'class meta-entry))
2829 (assoc-get 'interfaces meta-entry)))
2833 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2834 ((eq? 'Spanner class)
2835 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2836 ((eq? 'Paper_column class)
2837 (set! ifaces-entry (cons 'item-interface
2838 (cons 'paper-column-interface ifaces-entry))))
2839 ((eq? 'System class)
2840 (set! ifaces-entry (cons 'system-interface
2841 (cons 'spanner-interface ifaces-entry))))
2843 (ly:warning "Unknown class ~a" class)))
2845 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2846 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2848 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2849 (set! meta-entry (assoc-set! meta-entry 'interfaces
2851 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2852 (cons name-sym grob-entry)))
2854 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2856 ;; (display (map pair? all-grob-descriptions))
2858 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2860 (for-each (lambda (x)
2861 ;; (display (car x)) (newline)
2863 (set-object-property! (car x) 'translation-type? ly:grob-properties?)
2864 (set-object-property! (car x) 'is-grob? #t))
2865 all-grob-descriptions)
2867 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))