4 texidoc = "Mensural ligatures show different shapes, depending on the
5 rhythmical pattern and direction of the melody line."
15 \remove Ligature_bracket_engraver
16 \consists Mensural_ligature_engraver
22 \set Staff.printKeyCancellation = ##f
23 \cadenzaOn % turn off bar lines
24 #(set-accidental-style 'forget)
29 b\breve^\markup { \column { { \bold "ligaturae binaria" } "BL" } }
34 g\breve^\markup { "BL" }
39 b\longa^\markup { "LL" }
44 g\longa^\markup { "LL" }
49 b\breve^\markup { "BB" }
54 g\breve^\markup { "BB" }
59 b\longa^\markup { "LB" }
64 g\longa^\markup { "LB" }
80 % ligaturae ternariae, quaternariae, etc. (sicut in Apel[1])
84 \column { { \bold "ligaturae ternariae, quaternariae, etc." } "BBL" } }
90 a\breve^\markup { "BBBB" }
97 b1^\markup { "SSBBBLB" }
107 a\longa^\markup { "LBMxBL" }
115 d'\breve^\markup { "BBBBLL" }
124 c'1^\markup { "SSBLLBB" }
135 % examples from "dtv-Atlas zur Musik" [2]
138 d'\breve^\markup { \column { { \bold "dtv-Atlas" } "BBL" } }
144 a\breve^\markup { "BBBL" }
151 b\longa.^\markup { "L.B.BBLBBB" }
162 c'1^\markup { "SSBB" }
169 b\longa^\markup { "LBL" }
175 a1^\markup { "SSBL" }
183 % some ligatures from Ockeghem: Missa De plus en plus
187 \column { { \bold "Ockeghem: Missa De plus en plus" } "MxMx" } }
192 d\longa^\markup { "LBBBB" }
200 c'\maxima^\markup { "MxL" }
205 e'\breve^\markup { "BBB" }
211 b\longa^\markup { "LBBBBB" }
220 g\breve^\markup { "BBBBL" }
228 e'1^\markup { "SSB" }
234 g\longa^\markup { "LLLL" }
242 % some from the Requiem
245 a1^\markup { \column { { \bold "Ockeghem: Requiem" } "SSBBBBBBBL" } }
258 c'\breve^\markup { "BBBBL" }
270 c\breve^\markup { \column { { \bold "crazy ligatures" } "BBBBB" } }
278 bes\breve^\markup { "BB" }
280 \] % TODO: accidentals must be collected and printed before ligature
283 a\breve.^\markup { "B.B.B.B.B.B.B.B.B." }
297 \] % TODO: dots within ligatures must be placed above heads
301 % invalid ligatures (those commented out are rejected with explanation)
304 % a1^\markup { \column { { \bold "invalid ligatures" } "SS" } }
309 a\breve^\markup { "BBB" }
315 % f\longa^\markup { "LLB" }
321 % f\breve^\markup { "BSLB" }
331 % [1] Willi Apel: The Notation of Polyphonic Music. 900-1600.
332 % [2] Ulrich Michels: dtv-Altlas zur Musik, 1977.