\version "2.19.82"

#(ly:set-option 'debug-skylines #t)

\layout {
  \context {
    \name "MarkLine"
    \type "Engraver_group"
    \consists Output_property_engraver
    \consists Axis_group_engraver
    \consists Mark_engraver
  }
  \context {
    \Score
    \remove Mark_engraver
    \accepts MarkLine
    %\remove "Bar_number_engraver"
  }
  \context {
    \Staff
    \consists "Bar_number_engraver"
  }
}

marks = {
  s1 \break
  \mark\default
  s1
}

<<
  \new MarkLine \marks
  { s1*2 }
>>