\version "2.2.0"

\header{
texidoc="
Gregorian chant notation sometimes also uses commas and ticks, but in
smaller font size (we call it 'virgula' and 'caesura').  However, the
most common breathing signs are divisio minima/maior/maxima and
finalis, the latter three looking similar to bar glyphs.

" }

\include "gregorian-init.ly"

\score {

    %
    % Gregorian notation:
    %
    \context VaticanaStaff {
      \notes \relative c' {

	% we turn bars and bar numbers off for Gregorian stuff
	\override Staff.BarLine  #'transparent = ##t
	\override Score.BarNumber  #'transparent = ##t

	% here is no \breathe
	c g c

	% \virgula applies rcomma, but in a smaller font
	c \virgula g c

	% \caesura applies rvarcomma, but in a smaller font
	c \caesura g c

	% \divisioMinima is a simple vertical stroke through the
	% uppermost staffline, just like the original implementation
	% of breathing signs.
	c \divisioMinima g c

	% \divisio{maior,maxima} and \finalis look like bars and are
	% vertically centered on the staff; the direction property has
	% no effect
	c \divisioMaior g c
	c \divisioMaxima g c

	% this one looks almost like a "||" type bar
	\finalis
      }
    }
}
