mark at the beginning of the optional part

the same mark as in the Liber Hymnarius
canticles for Ordinary Time Sunday vigils
support for standalone rubrics

on a 'psalms line' there may be just a rubric like
(text of the rubric)
up to now rubrics were only allowed between psalms like
12a (+) 12b, 13, 14
vigils canticles for sanctorale feasts of the 4th volume of the breviary
vigils' canticles for the Common of the Dedication and of BVM
vigils' canticles from all the Commons of the 4th vol. of the breviary
vigils' canticles for Advent Sundays
vigils' canticles for Lent
vigils' canticles for the Easter time
vigils' canticles for the sanctorale feasts of the 2nd volume of the breviary
vigils' canticles for all feasts from the 3rd volume of the breviary
option to append text *to* the last line of the *output*
doxology appended to the last line of the psalm if there is enough space
correctly render some special canticle names
funny names of some canticle parts in the index of feasts fixed
the vigils' canticles ordered according to the customary Bible order
remove debugging output