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 (staff-padding . 0.5)
1457 (stencil . ,measure-counter-stencil)
1458 (meta . ((class . Spanner)
1459 (interfaces . (font-interface
1460 measure-counter-interface
1461 outside-staff-interface
1462 self-alignment-interface
1463 side-position-interface
1464 text-interface))))))
1473 (stencil . ,ly:measure-grouping::print)
1475 (Y-offset . ,side-position-interface::y-aligned-side)
1476 (meta . ((class . Spanner)
1477 (interfaces . (measure-grouping-interface
1478 outside-staff-interface
1479 side-position-interface))))))
1483 (neutral-direction . ,DOWN)
1484 (meta . ((class . Item)
1485 (interfaces . (melody-spanner-interface))))))
1489 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1490 (stencil . ,ly:mensural-ligature::print)
1492 (meta . ((class . Spanner)
1493 (interfaces . (font-interface
1494 mensural-ligature-interface))))))
1498 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
1499 (break-visibility . ,end-of-line-invisible)
1501 (extra-spacing-width . (+inf.0 . -inf.0))
1502 (flag-style . default)
1503 (outside-staff-horizontal-padding . 0.2)
1504 (outside-staff-priority . 1000)
1507 (stencil . ,ly:text-interface::print)
1508 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1509 (Y-offset . ,side-position-interface::y-aligned-side)
1510 (X-offset . ,self-alignment-interface::self-aligned-on-breakable)
1511 (self-alignment-X . ,LEFT)
1512 (break-align-symbols . (time-signature))
1513 (non-break-align-symbols . (paper-column-interface))
1514 (Y-extent . ,grob::always-Y-extent-from-stencil)
1515 (meta . ((class . Item)
1516 (interfaces . (break-alignable-interface
1518 metronome-mark-interface
1519 outside-staff-interface
1520 self-alignment-interface
1521 side-position-interface
1522 text-interface))))))
1527 (hair-thickness . 2.0)
1528 (round-up-exceptions . ())
1529 (bound-padding . 0.5)
1530 (max-symbol-separation . 8.0)
1531 (space-increment . 2.0)
1532 (spacing-pair . (break-alignment . break-alignment))
1533 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1534 (stencil . ,ly:multi-measure-rest::print)
1535 (thick-thickness . 6.6)
1536 ;; See Wanske pp. 125
1537 (usable-duration-logs . ,(iota 4 -3))
1538 (voiced-position . 4)
1539 (Y-extent . ,(ly:make-unpure-pure-container ly:multi-measure-rest::height))
1540 (Y-offset . ,staff-symbol-referencer::callback)
1541 (meta . ((class . Spanner)
1542 (interfaces . (font-interface
1543 multi-measure-interface
1544 outside-staff-interface
1545 multi-measure-rest-interface
1547 staff-symbol-referencer-interface))))))
1549 (MultiMeasureRestNumber
1551 (bound-padding . 1.0)
1553 (font-encoding . fetaText)
1555 (parent-alignment-X . ,CENTER)
1556 (self-alignment-X . ,CENTER)
1558 (springs-and-rods . ,ly:multi-measure-rest::set-text-rods)
1559 (staff-padding . 0.4)
1560 (stencil . ,ly:text-interface::print)
1561 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1562 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1563 (Y-extent . ,grob::always-Y-extent-from-stencil)
1564 (Y-offset . ,side-position-interface::y-aligned-side)
1565 (meta . ((class . Spanner)
1566 (interfaces . (font-interface
1567 multi-measure-interface
1568 outside-staff-interface
1569 self-alignment-interface
1570 side-position-interface
1571 text-interface))))))
1573 (MultiMeasureRestText
1576 (outside-staff-priority . 450)
1578 (parent-alignment-X . ,CENTER)
1579 (self-alignment-X . ,CENTER)
1580 (skyline-horizontal-padding . 0.2)
1581 (staff-padding . 0.25)
1582 (stencil . ,ly:text-interface::print)
1583 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1584 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1585 (Y-extent . ,grob::always-Y-extent-from-stencil)
1586 (Y-offset . ,side-position-interface::y-aligned-side)
1587 (meta . ((class . Spanner)
1588 (interfaces . (font-interface
1589 multi-measure-interface
1590 outside-staff-interface
1591 self-alignment-interface
1592 side-position-interface
1593 text-interface))))))
1596 (NonMusicalPaperColumn
1598 (allow-loose-spacing . #t)
1600 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1601 (bound-alignment-interfaces . (break-alignment-interface))
1602 ;; used by Paper_column::print when debugging columns:
1604 (full-measure-extra-space . 1.0)
1605 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1606 ;; (stencil . ,ly:paper-column::print)
1608 (keep-inside-line . #t)
1609 ;; used by Paper_column::print when debugging columns:
1611 (line-break-permission . allow)
1613 (page-break-permission . allow)
1614 (X-extent . ,ly:axis-group-interface::width)
1615 (meta . ((class . Paper_column)
1616 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1617 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1618 (interfaces . (axis-group-interface
1620 paper-column-interface
1621 separation-item-interface
1622 spaceable-grob-interface))))))
1627 (note-collision-threshold . 1)
1628 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1629 (prefer-dotted-right . #t)
1630 (X-extent . ,ly:axis-group-interface::width)
1631 (Y-extent . ,axis-group-interface::height)
1632 (meta . ((class . Item)
1633 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1634 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1635 (interfaces . (axis-group-interface
1636 note-collision-interface))))))
1641 (bound-alignment-interfaces . (rhythmic-head-interface stem-interface))
1642 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1643 (skyline-vertical-padding . 0.15)
1644 (X-extent . ,ly:axis-group-interface::width)
1645 (Y-extent . ,axis-group-interface::height)
1646 (meta . ((class . Item)
1647 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1648 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1649 (interfaces . (axis-group-interface
1650 note-column-interface
1651 separation-item-interface))))))
1656 (duration-log . ,note-head::calc-duration-log)
1657 (extra-spacing-height . ,ly:note-head::include-ledger-line-height)
1658 (glyph-name . ,note-head::calc-glyph-name)
1659 (ligature-flexa . #f)
1660 (parenthesis-friends . (accidental-grob dot))
1661 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1662 (stencil . ,ly:note-head::print)
1663 (X-offset . ,ly:note-head::stem-x-shift)
1664 (Y-offset . ,staff-symbol-referencer::callback)
1665 (Y-extent . ,grob::always-Y-extent-from-stencil)
1666 (meta . ((class . Item)
1667 (interfaces . (font-interface
1668 gregorian-ligature-interface
1670 ligature-head-interface
1671 mensural-ligature-interface
1673 rhythmic-grob-interface
1674 rhythmic-head-interface
1675 staff-symbol-referencer-interface
1676 vaticana-ligature-interface))))))
1680 (stencil . ,ly:text-interface::print)
1681 (Y-extent . ,grob::always-Y-extent-from-stencil)
1682 (meta . ((class . Item)
1683 (interfaces . (font-interface
1685 text-interface))))))
1689 ;; Changed this from 0.75.
1690 ;; If you ever change this back, please document! --hwn
1691 (knee-spacing-correction . 1.0)
1692 (same-direction-correction . 0.25)
1693 (space-to-barline . #t)
1694 (stem-spacing-correction . 0.5)
1695 (meta . ((class . Item)
1696 (interfaces . (note-spacing-interface
1697 spacing-interface))))))
1701 (dash-fraction . 0.3)
1703 (edge-height . (0 . 0.8))
1704 (font-shape . italic)
1705 (minimum-length . 0.3)
1706 (outside-staff-priority . 400)
1708 (shorten-pair . (-0.8 . -0.6))
1709 (staff-padding . 2.0)
1710 (stencil . ,ly:ottava-bracket::print)
1711 (style . dashed-line)
1712 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1713 (Y-offset . ,side-position-interface::y-aligned-side)
1714 (meta . ((class . Spanner)
1715 (interfaces . (font-interface
1716 horizontal-bracket-interface
1718 outside-staff-interface
1719 ottava-bracket-interface
1720 side-position-interface
1721 text-interface))))))
1726 (allow-loose-spacing . #t)
1728 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1729 (bound-alignment-interfaces . (note-column-interface))
1730 ;; used by Paper_column::print when debugging columns:
1732 (horizontal-skylines . ,ly:separation-item::calc-skylines)
1733 (keep-inside-line . #t)
1734 ;; used by Paper_column::print when debugging columns:
1736 ;; 0.08 comes from spacing-horizontal-skyline.ly
1737 ;; allows double flat of F to be nestled over dots of C
1738 (skyline-vertical-padding . 0.08)
1739 ;; (stencil . ,ly:paper-column::print)
1740 (X-extent . ,ly:axis-group-interface::width)
1741 (meta . ((class . Paper_column)
1742 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
1743 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
1744 (interfaces . (axis-group-interface
1746 paper-column-interface
1747 separation-item-interface
1748 spaceable-grob-interface))))))
1754 (stencil . ,parentheses-item::print)
1755 (stencils . ,parentheses-item::calc-parenthesis-stencils)
1756 ;; X-extent needs to be non-empty in order to allow proper
1757 ;; horizontal attachment. ParenthesesItem does not reserve
1758 ;; space of its own, however.
1759 (X-extent . (0 . 0))
1760 (Y-extent . ,parentheses-item::y-extent)
1761 (meta . ((class . Item)
1762 (interfaces . (font-interface
1763 parentheses-interface))))))
1767 (dot-negative-kern . 0.75)
1768 (font-encoding . fetaMusic)
1770 (spacing-pair . (break-alignment . staff-bar))
1771 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1772 (stencil . ,ly:multi-measure-rest::percent)
1774 (meta . ((class . Spanner)
1775 (interfaces . (font-interface
1776 multi-measure-rest-interface
1777 percent-repeat-interface))))))
1779 (PercentRepeatCounter
1782 (font-encoding . fetaText)
1785 (parent-alignment-X . ,CENTER)
1786 (self-alignment-X . ,CENTER)
1787 (staff-padding . 0.25)
1788 (stencil . ,ly:text-interface::print)
1789 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1790 (Y-extent . ,grob::always-Y-extent-from-stencil)
1791 (Y-offset . ,side-position-interface::y-aligned-side)
1792 (meta . ((class . Spanner)
1793 (interfaces . (font-interface
1794 percent-repeat-interface
1795 outside-staff-interface
1796 self-alignment-interface
1797 side-position-interface
1798 text-interface))))))
1802 (control-points . ,ly:slur::calc-control-points)
1803 (cross-staff . ,ly:slur::calc-cross-staff)
1804 (details . ,default-slur-details)
1805 (direction . ,ly:slur::calc-direction)
1806 (height-limit . 2.0)
1807 (minimum-length . 1.5)
1809 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1810 (stencil . ,ly:slur::print)
1812 (vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
1813 (Y-extent . ,slur::height)
1814 (meta . ((class . Spanner)
1815 (interfaces . (outside-staff-interface
1816 slur-interface))))))
1818 ;; an example of a text spanner
1821 (bound-padding . 1.0)
1822 (bracket-flare . (0.5 . 0.5))
1824 (edge-height . (1.0 . 1.0))
1825 (shorten-pair . (0.0 . 0.0))
1826 (stencil . ,ly:piano-pedal-bracket::print)
1829 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1830 (meta . ((class . Spanner)
1831 (interfaces . (line-interface
1832 piano-pedal-bracket-interface
1833 piano-pedal-interface))))))
1838 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
1840 (break-align-symbols . (staff-bar key-signature clef))
1841 (break-visibility . ,end-of-line-invisible)
1843 (extra-spacing-width . (+inf.0 . -inf.0))
1846 (outside-staff-horizontal-padding . 0.2)
1847 (outside-staff-priority . 1500)
1849 (self-alignment-X . ,CENTER)
1850 (stencil . ,ly:text-interface::print)
1851 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1852 (X-offset . ,self-alignment-interface::self-aligned-on-breakable)
1853 (Y-offset . ,side-position-interface::y-aligned-side)
1854 (Y-extent . ,grob::always-Y-extent-from-stencil)
1855 (meta . ((class . Item)
1856 (interfaces . (break-alignable-interface
1859 outside-staff-interface
1860 self-alignment-interface
1861 side-position-interface
1862 text-interface))))))
1866 (slash-negative-kern . 0.85)
1868 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1869 (Y-extent . ,grob::always-Y-extent-from-stencil)
1871 (meta . ((class . Item)
1872 (interfaces . (percent-repeat-interface
1873 percent-repeat-item-interface
1874 rhythmic-grob-interface))))))
1878 (cross-staff . ,semi-tie::calc-cross-staff)
1879 (control-points . ,ly:semi-tie::calc-control-points)
1880 (details . ((ratio . 0.333)
1881 (height-limit . 1.0)))
1882 (direction . ,ly:tie::calc-direction)
1883 (head-direction . ,RIGHT)
1884 (stencil . ,ly:tie::print)
1886 (extra-spacing-height . (-0.5 . 0.5))
1887 (Y-extent . ,grob::always-Y-extent-from-stencil)
1888 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1889 (meta . ((class . Item)
1890 (interfaces . (semi-tie-interface))))))
1894 (head-direction . ,ly:semi-tie-column::calc-head-direction)
1895 (positioning-done . ,ly:semi-tie-column::calc-positioning-done)
1898 (meta . ((class . Item)
1899 (interfaces . (semi-tie-column-interface))))))
1903 (cross-staff . ,ly:rest::calc-cross-staff)
1904 (duration-log . ,stem::calc-duration-log)
1905 (minimum-distance . 0.25)
1906 (parenthesis-friends . (dot))
1907 (stencil . ,ly:rest::print)
1908 (voiced-position . 4)
1909 (X-extent . ,ly:rest::width)
1910 (Y-extent . ,(ly:make-unpure-pure-container ly:rest::height ly:rest::pure-height))
1911 (Y-offset . ,(ly:make-unpure-pure-container ly:rest::y-offset-callback))
1912 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
1913 (meta . ((class . Item)
1914 (interfaces . (font-interface
1916 rhythmic-grob-interface
1917 rhythmic-head-interface
1918 staff-symbol-referencer-interface))))))
1922 (minimum-distance . 0.75)
1923 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1924 (meta . ((class . Item)
1925 (interfaces . (rest-collision-interface))))))
1930 (add-stem-support . #t)
1931 (cross-staff . ,ly:script-interface::calc-cross-staff)
1932 (direction . ,ly:script-interface::calc-direction)
1933 (font-encoding . fetaMusic)
1934 (horizon-padding . 0.1) ; to avoid interleaving with accidentals
1935 (positioning-done . ,ly:script-interface::calc-positioning-done)
1936 (self-alignment-X . ,CENTER)
1939 ;; padding set in script definitions.
1940 (slur-padding . 0.2)
1941 (staff-padding . 0.25)
1943 (stencil . ,ly:script-interface::print)
1944 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1945 (Y-extent . ,grob::always-Y-extent-from-stencil)
1946 (X-offset . ,script-interface::calc-x-offset)
1947 (Y-offset . ,side-position-interface::y-aligned-side)
1948 (meta . ((class . Item)
1949 (interfaces . (font-interface
1950 outside-staff-interface
1952 self-alignment-interface
1953 side-position-interface))))))
1957 (before-line-breaking . ,ly:script-column::before-line-breaking)
1958 (meta . ((class . Item)
1959 (interfaces . (script-column-interface))))))
1963 (before-line-breaking . ,ly:script-column::row-before-line-breaking)
1964 (meta . ((class . Item)
1965 (interfaces . (script-column-interface))))))
1969 (avoid-slur . inside)
1970 (control-points . ,ly:slur::calc-control-points)
1971 (cross-staff . ,ly:slur::calc-cross-staff)
1972 (details . ,default-slur-details)
1973 (direction . ,ly:slur::calc-direction)
1974 (height-limit . 2.0)
1975 (line-thickness . 0.8)
1976 (minimum-length . 1.5)
1978 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1979 (stencil . ,ly:slur::print)
1981 (vertical-skylines . ,(ly:make-unpure-pure-container ly:slur::vertical-skylines ly:grob::pure-simple-vertical-skylines-from-extents))
1982 (Y-extent . ,slur::height)
1983 (meta . ((class . Spanner)
1984 (interfaces . (outside-staff-interface
1985 slur-interface))))))
1989 (direction . ,RIGHT)
1990 (extra-spacing-width . (+inf.0 . -inf.0))
1991 (font-shape . italic)
1992 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1993 (parent-alignment-X . #f)
1994 (self-alignment-X . ,CENTER)
1995 (stencil . ,ly:text-interface::print)
1996 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
1997 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
1998 (Y-extent . ,grob::always-Y-extent-from-stencil)
1999 (meta . ((class . Item)
2000 (interfaces . (font-interface
2001 piano-pedal-script-interface
2002 self-alignment-interface
2003 text-interface))))))
2005 (SostenutoPedalLineSpanner
2009 (minimum-space . 1.0)
2010 (outside-staff-priority . 1000)
2013 (staff-padding . 1.0)
2014 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2015 (X-extent . ,ly:axis-group-interface::width)
2016 (Y-extent . ,axis-group-interface::height)
2017 (Y-offset . ,side-position-interface::y-aligned-side)
2018 (meta . ((class . Spanner)
2019 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2020 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2021 (interfaces . (axis-group-interface
2022 outside-staff-interface
2023 piano-pedal-interface
2024 side-position-interface))))))
2028 (average-spacing-wishes . #t)
2029 (base-shortest-duration . ,(ly:make-moment 3 16))
2030 (common-shortest-duration . ,ly:spacing-spanner::calc-common-shortest-duration)
2031 (shortest-duration-space . 2.0)
2032 (spacing-increment . 1.2)
2033 (springs-and-rods . ,ly:spacing-spanner::set-springs)
2034 (meta . ((class . Spanner)
2035 (interfaces . (spacing-options-interface
2036 spacing-spanner-interface))))))
2040 (allow-span-bar . #t)
2041 (bar-extent . ,axis-group-interface::height)
2042 (before-line-breaking . ,ly:span-bar::before-line-breaking)
2043 (break-align-symbol . staff-bar)
2045 (glyph-name . ,ly:span-bar::calc-glyph-name)
2048 (stencil . ,ly:span-bar::print)
2049 (X-extent . ,ly:span-bar::width)
2050 (Y-extent . (+inf.0 . -inf.0))
2051 (meta . ((class . Item)
2052 (interfaces . (bar-line-interface
2054 span-bar-interface))))))
2058 (X-extent . ,(grob::inherit-parent-property
2060 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height)
2061 ;; we want this to be ignored, so empty, but the extra spacing height
2062 ;; should preserve the span bar's presence for horizontal spacing
2063 (Y-extent . ,pure-from-neighbor-interface::height-if-pure)
2064 (meta . ((class . Item)
2065 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2066 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
2067 (interfaces . (pure-from-neighbor-interface))))))
2071 (staff-staff-spacing . ((basic-distance . 9)
2072 (minimum-distance . 7)
2074 (stretchability . 5)))
2075 (staffgroup-staff-spacing . ((basic-distance . 10.5)
2076 (minimum-distance . 8)
2078 (stretchability . 9)))
2079 (meta . ((class . Spanner)
2080 (interfaces . (staff-grouper-interface))))))
2085 (stem-spacing-correction . 0.4)
2086 (meta . ((class . Item)
2087 (interfaces . (spacing-interface
2088 staff-spacing-interface))))))
2092 (break-align-symbols . (staff-bar break-alignment))
2094 (ledger-line-thickness . (1.0 . 0.1))
2096 (stencil . ,ly:staff-symbol::print)
2097 (Y-extent . ,(ly:make-unpure-pure-container ly:staff-symbol::height))
2098 (meta . ((class . Spanner)
2099 (interfaces . (staff-symbol-interface))))))
2104 (font-series . bold)
2107 (stencil . ,ly:text-interface::print)
2108 (X-offset . ,ly:side-position-interface::x-aligned-side)
2109 (Y-extent . ,grob::always-Y-extent-from-stencil)
2110 (meta . ((class . Item)
2111 (interfaces . (font-interface
2112 side-position-interface
2113 stanza-number-interface
2114 text-interface))))))
2118 (beamlet-default-length . (1.1 . 1.1))
2119 (beamlet-max-length-proportion . (0.75 . 0.75))
2120 (cross-staff . ,ly:stem::calc-cross-staff)
2121 (default-direction . ,ly:stem::calc-default-direction)
2124 ;; 3.5 (or 3 measured from note head) is standard length
2125 ;; 32nd, 64th, 128th flagged stems should be longer
2126 (lengths . (3.5 3.5 3.5 4.25 5.0 6.0))
2128 ;; FIXME. 3.5 yields too long beams (according to Ross and
2129 ;; looking at Baerenreiter examples) for a number of common
2130 ;; boundary cases. Subtracting half a beam thickness fixes
2131 ;; this, but the bug may well be somewhere else.
2133 ;; FIXME this should come from 'lengths
2134 (beamed-lengths . (3.26 3.5 3.6))
2136 ;; The 'normal' minima
2137 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
2138 ;;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
2140 ;; The 'extreme case' minima
2141 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
2143 ;; Stems in unnatural (forced) direction should be shortened by
2144 ;; one staff space, according to [Roush & Gourlay].
2145 ;; Flagged stems we shorten only half a staff space.
2146 (stem-shorten . (1.0 0.5 0.25))
2150 ;; We use the normal minima as minimum for the ideal lengths,
2151 ;; and the extreme minima as abolute minimum length.
2153 (direction . ,ly:stem::calc-direction)
2154 (double-stem-separation . 0.5)
2155 (duration-log . ,stem::calc-duration-log)
2156 (length . ,(ly:make-unpure-pure-container ly:stem::calc-length ly:stem::pure-calc-length))
2157 (neutral-direction . ,DOWN)
2158 (note-collision-threshold . 1)
2159 (positioning-done . ,ly:stem::calc-positioning-done)
2160 (stem-info . ,ly:stem::calc-stem-info)
2161 (stem-begin-position . ,(ly:make-unpure-pure-container ly:stem::calc-stem-begin-position ly:stem::pure-calc-stem-begin-position))
2162 (stencil . ,ly:stem::print)
2164 (X-extent . ,ly:stem::width)
2165 (X-offset . ,ly:stem::offset-callback)
2166 (Y-extent . ,(ly:make-unpure-pure-container ly:stem::height ly:stem::pure-height))
2167 (Y-offset . ,staff-symbol-referencer::callback)
2168 (meta . ((class . Item)
2169 (interfaces . (stem-interface))))))
2173 (X-extent . ,stem-stub::width)
2174 (extra-spacing-height . ,stem-stub::extra-spacing-height)
2175 (Y-extent . ,(ly:make-unpure-pure-container #f stem-stub::pure-height))
2176 (meta . ((class . Item)
2177 (interfaces . ())))))
2181 (beam-thickness . 0.48) ; staff-space
2182 (beam-width . ,ly:stem-tremolo::calc-width) ; staff-space
2183 (direction . ,ly:stem-tremolo::calc-direction)
2184 (parent-alignment-X . ,CENTER)
2185 (slope . ,ly:stem-tremolo::calc-slope)
2186 (stencil . ,ly:stem-tremolo::print)
2187 (shape . ,ly:stem-tremolo::calc-shape)
2188 (X-extent . ,ly:stem-tremolo::width)
2189 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2190 (Y-extent . ,(grob::unpure-Y-extent-from-stencil ly:stem-tremolo::pure-height))
2191 (Y-offset . ,(ly:make-unpure-pure-container ly:stem-tremolo::calc-y-offset ly:stem-tremolo::pure-calc-y-offset))
2192 (meta . ((class . Item)
2193 (interfaces . (self-alignment-interface
2194 stem-tremolo-interface))))))
2198 (avoid-slur . around)
2199 (cross-staff . ,script-or-side-position-cross-staff)
2200 (font-encoding . fetaText)
2201 (font-size . -5) ; don't overlap when next to heads.
2202 (number-type . arabic)
2204 (parent-alignment-X . ,CENTER)
2205 (script-priority . 100)
2206 (self-alignment-X . ,CENTER)
2207 (self-alignment-Y . ,CENTER)
2208 (staff-padding . 0.5)
2209 (stencil . ,print-circled-text-callback)
2210 (text . ,string-number::calc-text)
2211 (Y-extent . ,grob::always-Y-extent-from-stencil)
2212 (meta . ((class . Item)
2213 (interfaces . (font-interface
2214 self-alignment-interface
2215 outside-staff-interface
2216 side-position-interface
2218 string-number-interface
2220 text-script-interface))))))
2224 (digit-names . #("p" "i" "m" "a" "x"))
2225 (font-shape . italic)
2226 (font-size . -4) ; don't overlap when next to heads.
2228 (parent-alignment-X . ,CENTER)
2229 (script-priority . 100)
2230 (self-alignment-X . ,CENTER)
2231 (self-alignment-Y . ,CENTER)
2232 (staff-padding . 0.5)
2233 (stencil . ,ly:text-interface::print)
2234 (text . ,stroke-finger::calc-text)
2235 (Y-extent . ,grob::always-Y-extent-from-stencil)
2236 (meta . ((class . Item)
2237 (interfaces . (font-interface
2238 outside-staff-interface
2239 self-alignment-interface
2240 side-position-interface
2241 stroke-finger-interface
2243 text-script-interface))))))
2247 (extra-spacing-width . (+inf.0 . -inf.0))
2248 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
2249 (parent-alignment-X . #f)
2250 (self-alignment-X . ,CENTER)
2251 (stencil . ,ly:sustain-pedal::print)
2252 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
2253 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2254 (Y-extent . ,grob::always-Y-extent-from-stencil)
2255 (meta . ((class . Item)
2256 (interfaces . (font-interface
2257 piano-pedal-interface
2258 piano-pedal-script-interface
2259 self-alignment-interface
2260 text-interface))))))
2262 (SustainPedalLineSpanner
2266 (minimum-space . 1.0)
2267 (outside-staff-priority . 1000)
2270 (staff-padding . 1.2)
2271 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2272 (X-extent . ,ly:axis-group-interface::width)
2273 (Y-extent . ,axis-group-interface::height)
2274 (Y-offset . ,side-position-interface::y-aligned-side)
2275 (meta . ((class . Spanner)
2276 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2277 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2278 (interfaces . (axis-group-interface
2279 outside-staff-interface
2280 piano-pedal-interface
2281 side-position-interface))))))
2285 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2287 (outside-staff-placement-directive . left-to-right-polite)
2288 (skyline-horizontal-padding . 1.0)
2289 (vertical-skylines . ,ly:axis-group-interface::calc-skylines)
2290 (X-extent . ,ly:axis-group-interface::width)
2291 (Y-extent . ,(ly:make-unpure-pure-container ly:system::height ly:system::calc-pure-height))
2292 (meta . ((class . System)
2293 (object-callbacks . ((footnotes-before-line-breaking . ,ly:system::footnotes-before-line-breaking)
2294 (footnotes-after-line-breaking . ,ly:system::footnotes-after-line-breaking)
2295 (pure-relevant-grobs . ,ly:system::calc-pure-relevant-grobs)
2296 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2297 (vertical-skyline-elements . ,ly:system::vertical-skyline-elements)
2298 (vertical-alignment . ,ly:system::get-vertical-alignment)))
2299 (interfaces . (axis-group-interface
2301 outside-staff-axis-group-interface))))))
2305 (collapse-height . 5.0)
2309 (padding . -0.1) ;; bar must cover rounded ending of staff line.
2310 (stencil . ,ly:system-start-delimiter::print)
2313 (X-offset . ,ly:side-position-interface::x-aligned-side)
2314 (meta . ((class . Spanner)
2315 (interfaces . (side-position-interface
2316 system-start-delimiter-interface))))))
2320 (collapse-height . 5.0)
2322 (font-encoding . fetaBraces)
2324 (stencil . ,ly:system-start-delimiter::print)
2326 (X-offset . ,ly:side-position-interface::x-aligned-side)
2327 (meta . ((class . Spanner)
2328 (interfaces . (font-interface
2329 side-position-interface
2330 system-start-delimiter-interface))))))
2334 (collapse-height . 5.0)
2337 (stencil . ,ly:system-start-delimiter::print)
2340 (X-offset . ,ly:side-position-interface::x-aligned-side)
2341 (meta . ((class . Spanner)
2342 (interfaces . (font-interface
2343 side-position-interface
2344 system-start-delimiter-interface))))))
2348 (collapse-height . 5.0)
2350 (stencil . ,ly:system-start-delimiter::print)
2351 (style . line-bracket)
2353 (X-offset . ,ly:side-position-interface::x-aligned-side)
2354 (meta . ((class . Spanner)
2355 (interfaces . (font-interface
2356 side-position-interface
2357 system-start-delimiter-interface))))))
2362 (details . ((cautionary-properties . ((angularity . 0.4)
2363 (half-thickness . 0.075)
2365 (procedure . ,parenthesize-stencil)
2368 (harmonic-properties . ((angularity . 2)
2369 (half-thickness . 0.075)
2371 (procedure . ,parenthesize-stencil)
2373 (repeat-tied-properties . ((note-head-visible . #t)
2374 (parenthesize . #t)))
2375 (tied-properties . ((break-visibility . ,begin-of-line-visible)
2376 (parenthesize . #t)))))
2378 (direction . ,CENTER)
2379 (duration-log . ,note-head::calc-duration-log)
2380 (font-series . bold)
2382 (parenthesis-friends . (dot))
2383 (stem-attachment . (0.0 . 1.35))
2384 (stencil . ,tab-note-head::print)
2386 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
2387 (Y-offset . ,staff-symbol-referencer::callback)
2388 (Y-extent . ,grob::always-Y-extent-from-stencil)
2389 (meta . ((class . Item)
2390 (interfaces . (font-interface
2392 rhythmic-grob-interface
2393 rhythmic-head-interface
2394 staff-symbol-referencer-interface
2395 tab-note-head-interface
2396 text-interface))))))
2400 (avoid-slur . around)
2403 (extra-spacing-width . (+inf.0 . -inf.0))
2404 (outside-staff-horizontal-padding . 0.2)
2405 (outside-staff-priority . 450)
2407 ;; sync with Fingering ?
2410 (parent-alignment-X . #f)
2411 (script-priority . 200)
2412 ;; self-alignment cannot be LEFT because of fingering diagrams.
2413 (self-alignment-X . #f)
2415 (slur-padding . 0.5)
2416 (staff-padding . 0.5)
2417 (stencil . ,ly:text-interface::print)
2418 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
2419 (Y-extent . ,grob::always-Y-extent-from-stencil)
2420 (X-align-on-main-noteheads . #t)
2421 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2422 (Y-offset . ,side-position-interface::y-aligned-side)
2423 (meta . ((class . Item)
2424 (interfaces . (font-interface
2425 instrument-specific-markup-interface
2426 outside-staff-interface
2427 self-alignment-interface
2428 side-position-interface
2430 text-script-interface))))))
2434 (bound-details . ((left . ((Y . 0)
2436 (attach-dir . ,LEFT)
2438 (left-broken . ((attach-dir . ,RIGHT)))
2443 (dash-fraction . 0.2)
2446 (font-shape . italic)
2447 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2448 (outside-staff-priority . 350)
2449 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2451 (staff-padding . 0.8)
2452 (stencil . ,ly:line-spanner::print)
2453 (style . dashed-line)
2454 (Y-offset . ,side-position-interface::y-aligned-side)
2456 (meta . ((class . Spanner)
2457 (interfaces . (font-interface
2459 line-spanner-interface
2460 outside-staff-interface
2461 side-position-interface))))))
2465 (avoid-slur . inside)
2466 (control-points . ,ly:tie::calc-control-points)
2468 ;; for a full list, see tie-details.cc
2470 (center-staff-line-clearance . 0.6)
2471 (tip-staff-line-clearance . 0.45)
2472 (note-head-gap . 0.2)
2474 (height-limit . 1.0)
2475 (horizontal-distance-penalty-factor . 10)
2476 (same-dir-as-stem-penalty . 8)
2477 (min-length-penalty-factor . 26)
2478 (tie-tie-collision-distance . 0.45)
2479 (tie-tie-collision-penalty . 25.0)
2480 (intra-space-threshold . 1.25)
2481 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
2482 (outer-tie-length-symmetry-penalty-factor . 10)
2483 (vertical-distance-penalty-factor . 7)
2484 (outer-tie-vertical-gap . 0.25)
2485 (multi-tie-region-size . 3)
2486 (single-tie-region-size . 4)
2487 (between-length-limit . 1.0)))
2489 (direction . ,ly:tie::calc-direction)
2491 (line-thickness . 0.8)
2492 (neutral-direction . ,UP)
2493 (springs-and-rods . ,ly:spanner::set-spacing-rods)
2494 (stencil . ,ly:tie::print)
2495 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
2497 (meta . ((class . Spanner)
2498 (interfaces . (tie-interface))))))
2502 (before-line-breaking . ,ly:tie-column::before-line-breaking)
2503 (positioning-done . ,ly:tie-column::calc-positioning-done)
2506 (meta . ((class . Spanner)
2507 (interfaces . (tie-column-interface))))))
2511 (avoid-slur . inside)
2513 . ,ly:break-aligned-interface::calc-extent-aligned-anchor)
2514 (break-align-symbol . time-signature)
2515 (break-align-anchor-alignment . ,LEFT)
2516 (break-visibility . ,all-visible)
2517 (extra-spacing-height . ,pure-from-neighbor-interface::extra-spacing-height-including-staff)
2518 (extra-spacing-width . (0.0 . 0.8))
2521 (cue-clef . (extra-space . 1.5))
2522 (first-note . (fixed-space . 2.0))
2523 (right-edge . (extra-space . 0.5))
2524 (staff-bar . (extra-space . 1.0))))
2525 (stencil . ,ly:time-signature::print)
2526 (Y-extent . ,grob::always-Y-extent-from-stencil)
2528 (meta . ((class . Item)
2529 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2530 (pure-relevant-grobs . ,ly:pure-from-neighbor-interface::calc-pure-relevant-grobs)))
2531 (interfaces . (break-aligned-interface
2533 pure-from-neighbor-interface
2534 time-signature-interface))))))
2536 (TrillPitchAccidental
2540 (glyph-name-alist . ,standard-alteration-glyph-name-alist)
2543 (stencil . ,ly:accidental-interface::print)
2544 (X-offset . ,ly:side-position-interface::x-aligned-side)
2545 (Y-extent . ,accidental-interface::height)
2546 (meta . ((class . Item)
2547 (interfaces . (accidental-interface
2549 inline-accidental-interface
2550 side-position-interface
2551 trill-pitch-accidental-interface))))))
2556 (direction . ,RIGHT)
2558 ;; minimum shift to the right, in case the parent note has no stem
2559 (minimum-space . 2.5)
2560 (horizon-padding . 0.1) ; to avoid interleaving with augmentation dots
2563 (stencil . ,parenthesize-elements)
2564 (stencils . ,parentheses-item::calc-parenthesis-stencils)
2565 (X-offset . ,ly:side-position-interface::x-aligned-side)
2566 (Y-extent . ,grob::always-Y-extent-from-stencil)
2567 (meta . ((class . Item)
2568 (interfaces . (axis-group-interface
2571 parentheses-interface
2572 side-position-interface))))))
2578 (stencil . ,ly:note-head::print)
2579 (Y-offset . ,staff-symbol-referencer::callback)
2580 (Y-extent . ,grob::always-Y-extent-from-stencil)
2581 (meta . ((class . Item)
2582 (interfaces . (font-interface
2584 pitched-trill-interface
2585 rhythmic-head-interface
2586 staff-symbol-referencer-interface))))))
2590 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2591 (bound-details . ((left . ((text . ,(make-musicglyph-markup "scripts.trill"))
2593 (stencil-offset . (-0.5 . -1))
2595 (attach-dir . ,CENTER)
2597 (left-broken . ((end-on-note . #t)))
2601 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2602 (outside-staff-priority . 50)
2604 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2606 (staff-padding . 1.0)
2607 (stencil . ,ly:line-spanner::print)
2609 (Y-offset . ,side-position-interface::y-aligned-side)
2610 (meta . ((class . Spanner)
2611 (interfaces . (font-interface
2613 line-spanner-interface
2614 outside-staff-interface
2615 side-position-interface
2616 trill-spanner-interface))))))
2620 (avoid-scripts . #t)
2621 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
2622 (cross-staff . ,ly:tuplet-bracket::calc-cross-staff)
2623 (direction . ,ly:tuplet-bracket::calc-direction)
2624 (edge-height . (0.7 . 0.7))
2625 (full-length-to-extent . #t)
2627 (positions . ,ly:tuplet-bracket::calc-positions)
2628 (shorten-pair . (-0.2 . -0.2))
2629 (staff-padding . 0.25)
2630 (stencil . ,ly:tuplet-bracket::print)
2632 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
2633 (X-positions . ,ly:tuplet-bracket::calc-x-positions)
2635 (meta . ((class . Spanner)
2636 (interfaces . (line-interface
2637 outside-staff-interface
2638 tuplet-bracket-interface))))))
2642 (avoid-slur . inside)
2643 (cross-staff . ,ly:tuplet-number::calc-cross-staff)
2644 (direction . ,tuplet-number::calc-direction)
2645 (font-shape . italic)
2648 (stencil . ,ly:tuplet-number::print)
2649 (text . ,tuplet-number::calc-denominator-text)
2650 (X-offset . ,ly:tuplet-number::calc-x-offset)
2651 (Y-offset . ,ly:tuplet-number::calc-y-offset)
2652 (meta . ((class . Spanner)
2653 (interfaces . (font-interface
2654 outside-staff-interface
2656 tuplet-number-interface))))))
2661 (direction . ,RIGHT)
2662 (extra-spacing-width . (+inf.0 . -inf.0))
2663 (font-shape . italic)
2664 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
2665 (parent-alignment-X . #f)
2666 (self-alignment-X . ,CENTER)
2667 (stencil . ,ly:text-interface::print)
2668 (vertical-skylines . ,grob::always-vertical-skylines-from-stencil)
2669 (Y-extent . ,grob::always-Y-extent-from-stencil)
2670 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
2671 (meta . ((class . Item)
2672 (interfaces . (font-interface
2673 piano-pedal-script-interface
2674 self-alignment-interface
2675 text-interface))))))
2677 (UnaCordaPedalLineSpanner
2681 (minimum-space . 1.0)
2682 (outside-staff-priority . 1000)
2685 (staff-padding . 1.2)
2686 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2687 (X-extent . ,ly:axis-group-interface::width)
2688 (Y-extent . ,axis-group-interface::height)
2689 (Y-offset . ,side-position-interface::y-aligned-side)
2690 (meta . ((class . Spanner)
2691 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2692 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2693 (interfaces . (axis-group-interface
2694 outside-staff-interface
2695 piano-pedal-interface
2696 side-position-interface))))))
2702 (stencil . ,ly:vaticana-ligature::print)
2704 (meta . ((class . Spanner)
2705 (interfaces . (font-interface
2706 vaticana-ligature-interface))))))
2711 (positioning-done . ,ly:align-interface::align-to-ideal-distances)
2713 (vertical-skylines . ,ly:axis-group-interface::combine-skylines)
2714 (X-extent . ,ly:axis-group-interface::width)
2715 (Y-extent . ,axis-group-interface::height)
2716 (meta . ((class . Spanner)
2717 (object-callbacks . ((Y-common . ,ly:axis-group-interface::calc-y-common)
2718 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)
2719 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)))
2720 (interfaces . (align-interface
2721 axis-group-interface))))))
2725 (adjacent-pure-heights . ,ly:axis-group-interface::adjacent-pure-heights)
2727 (default-staff-staff-spacing . ((basic-distance . 9)
2728 (minimum-distance . 8)
2730 (nonstaff-unrelatedstaff-spacing . ((padding . 0.5)))
2731 (outside-staff-placement-directive . left-to-right-polite)
2732 (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))
2733 (stencil . ,ly:axis-group-interface::print)
2734 (skyline-horizontal-padding . 0.1)
2735 (vertical-skylines . ,ly:hara-kiri-group-spanner::calc-skylines)
2736 (X-extent . ,ly:axis-group-interface::width)
2737 (Y-extent . ,(ly:make-unpure-pure-container ly:hara-kiri-group-spanner::y-extent ly:hara-kiri-group-spanner::pure-height))
2738 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
2739 (meta . ((class . Spanner)
2740 (object-callbacks . (
2741 (X-common . ,ly:axis-group-interface::calc-x-common)
2742 (pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2743 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2745 (interfaces . (axis-group-interface
2746 hara-kiri-group-spanner-interface
2747 outside-staff-axis-group-interface))))))
2751 (after-line-breaking . ,ly:spanner::kill-zero-spanned-time)
2752 (bound-details . ((right . ((attach-dir . ,CENTER)
2755 (left . ((attach-dir . ,CENTER)
2761 (left-bound-info . ,ly:line-spanner::calc-left-bound-info)
2763 (right-bound-info . ,ly:line-spanner::calc-right-bound-info)
2764 (stencil . ,ly:line-spanner::print)
2768 (meta . ((class . Spanner)
2769 (interfaces . (line-interface
2770 line-spanner-interface))))))
2774 (baseline-skip . 1.7)
2776 (edge-height . (2.0 . 2.0)) ;; staff-space;
2777 (font-encoding . fetaText)
2779 (shorten-pair . ,ly:volta-bracket::calc-shorten-pair)
2780 (stencil . ,ly:volta-bracket-interface::print)
2781 (thickness . 1.6) ;; line-thickness
2783 (vertical-skylines . ,grob::unpure-vertical-skylines-from-stencil)
2784 (Y-extent . ,(grob::unpure-Y-extent-from-stencil volta-bracket-interface::pure-height))
2785 (meta . ((class . Spanner)
2786 (interfaces . (font-interface
2787 horizontal-bracket-interface
2789 side-position-interface
2791 volta-bracket-interface
2792 volta-interface))))))
2794 (VoltaBracketSpanner
2796 (after-line-breaking . ,ly:side-position-interface::move-to-extremal-staff)
2800 (outside-staff-priority . 600)
2803 (vertical-skylines . ,grob::always-vertical-skylines-from-element-stencils)
2804 (X-extent . ,ly:axis-group-interface::width)
2805 (Y-extent . ,axis-group-interface::height)
2806 (Y-offset . ,side-position-interface::y-aligned-side)
2807 (meta . ((class . Spanner)
2808 (object-callbacks . ((pure-Y-common . ,ly:axis-group-interface::calc-pure-y-common)
2809 (pure-relevant-grobs . ,ly:axis-group-interface::calc-pure-relevant-grobs)))
2810 (interfaces . (axis-group-interface
2811 outside-staff-interface
2812 side-position-interface
2813 volta-interface))))))
2817 (define (completize-grob-entry x)
2818 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
2820 ;; (display (car x))
2822 (let* ((name-sym (car x))
2823 (grob-entry (cdr x))
2824 (meta-entry (assoc-get 'meta grob-entry))
2825 (class (assoc-get 'class meta-entry))
2827 (assoc-get 'interfaces meta-entry)))
2831 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
2832 ((eq? 'Spanner class)
2833 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
2834 ((eq? 'Paper_column class)
2835 (set! ifaces-entry (cons 'item-interface
2836 (cons 'paper-column-interface ifaces-entry))))
2837 ((eq? 'System class)
2838 (set! ifaces-entry (cons 'system-interface
2839 (cons 'spanner-interface ifaces-entry))))
2841 (ly:warning "Unknown class ~a" class)))
2843 (set! ifaces-entry (uniq-list (sort ifaces-entry symbol<?)))
2844 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
2846 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
2847 (set! meta-entry (assoc-set! meta-entry 'interfaces
2849 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
2850 (cons name-sym grob-entry)))
2852 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
2854 ;; (display (map pair? all-grob-descriptions))
2856 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
2858 (for-each (lambda (x)
2859 ;; (display (car x)) (newline)
2861 (set-object-property! (car x) 'translation-type? ly:grob-properties?)
2862 (set-object-property! (car x) 'is-grob? #t))
2863 all-grob-descriptions)
2865 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))