c \bar ":|:" \mark \markup { \simple #":|:" }
c \bar "|." \mark \markup { \simple #"|." }
c \bar ":" \mark \markup { \simple #":" }
c \bar ":|:" \mark \markup { \simple #":|:" }
c \bar "|." \mark \markup { \simple #"|." }
c \bar ":" \mark \markup { \simple #":" }