SpanBarInterface — Abjad v1.1.1 documentation

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# SpanBarInterface

class `abjad.spanbar.interface.` `SpanBarInterface`(_client)

  Bases: `abjad.core.interface._Interface`, `abjad.core.grobhandler._GrobHandler`

  New in version 1.1.1.

  Manage barlines that span the space between staves in a single system.

      abjad> t = Note(0, (1, 4))
      abjad> t.barline
      <SpanBarInterface>

  Override LilyPond `SpanBar` grob.

      abjad> t.spanbar.color = 'red'
      abjad> overridetools.promote(t.spanbar, 'color', 'Score')
      abjad> print t.format
      \once \override Score.SpanBar #'color = #red
      c'4

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