Tick bar lines

'Tick' bar lines are often used in music where the bar line is used only for coordination and is not meant to imply any rhythmic stress.

\version "2.24"

\relative c' {
  \set Score.measureBarType = #"'"
  c4 d e f
  g4 f e d
  c4 d e f
  g4 f e d
  \bar "|."
}