Gregofacsimil + neumes from H + rsigns according to H. Modern verse, with neumes from the original, except at the end where the liquescences mismatch greatly

Explicit line break

LRT corrections by dcrochu.

On the "exspectare": cf. Tenebræ factæ sunt, "Deus meus", and cf. Iste est frater, "Deus misereatur": break during melodic ascend but /not/ breathing space.

LRT corrections by dcrochu.

Added missing note in GP at gloriA

Backported some of dcrochu's changes (spacing, but not the one on alleluia because the neumatic break here can be kept & lsc)