4 texidoc = "Mensural ligatures show different shapes, depending on the
5 rhythmical pattern and direction of the melody line."
14 \remove "Ligature_bracket_engraver"
15 \consists "Mensural_ligature_engraver"
19 \override SpacingSpanner #'packed-spacing = ##t
25 \set Staff.printKeyCancellation = ##f
26 \cadenzaOn % turn off bar lines
27 #(set-accidental-style 'forget)
33 b\breve^\markup { \column { { \bold "ligaturae binaria" } "BL" } }
38 g\breve^\markup { "BL" }
43 b\longa^\markup { "LL" }
48 g\longa^\markup { "LL" }
53 b\breve^\markup { "BB" }
58 g\breve^\markup { "BB" }
63 b\longa^\markup { "LB" }
68 g\longa^\markup { "LB" }
84 % ligaturae ternariae, quaternariae, etc. (sicut in Apel[1])
88 \column { { \bold "ligaturae ternariae, quaternariae, etc." } "BBL" } }
94 a\breve^\markup { "BBBB" }
101 b1^\markup { "SSBBBLB" }
111 a\longa^\markup { "LBMxBL" }
119 d'\breve^\markup { "BBBBLL" }
128 c'1^\markup { "SSBLLBB" }
139 % examples from "dtv-Atlas zur Musik" [2]
142 d'\breve^\markup { \column { { \bold "dtv-Atlas" } "BBL" } }
148 a\breve^\markup { "BBBL" }
155 b\longa.^\markup { "L.B.BBLBBB" }
166 c'1^\markup { "SSBB" }
173 b\longa^\markup { "LBL" }
179 a1^\markup { "SSBL" }
187 % some ligatures from Ockeghem: Missa De plus en plus
191 \column { { \bold "Ockeghem: Missa De plus en plus" } "MxMx" } }
196 d\longa^\markup { "LBBBB" }
204 c'\maxima^\markup { "MxL" }
209 e'\breve^\markup { "BBB" }
215 b\longa^\markup { "LBBBBB" }
224 g\breve^\markup { "BBBBL" }
232 e'1^\markup { "SSB" }
238 g\longa^\markup { "LLLL" }
246 % some from the Requiem
249 a1^\markup { \column { { \bold "Ockeghem: Requiem" } "SSBBBBBBBL" } }
262 c'\breve^\markup { "BBBBL" }
274 c\breve^\markup { \column { { \bold "crazy ligatures" } "BBBBB" } }
282 bes\breve^\markup { "BB" }
284 \] % TODO: accidentals must be collected and printed before ligature
287 a\breve.^\markup { "B.B.B.B.B.B.B.B.B." }
301 \] % TODO: dots within ligatures must be placed above heads
305 % invalid ligatures (those commented out are rejected with explanation)
308 % a1^\markup { \column { { \bold "invalid ligatures" } "SS" } }
313 a\breve^\markup { "BBB" }
319 % f\longa^\markup { "LLB" }
325 % f\breve^\markup { "BSLB" }
335 % [1] Willi Apel: The Notation of Polyphonic Music. 900-1600.
336 % [2] Ulrich Michels: dtv-Altlas zur Musik, 1977.