if (not SILE.outputters) then SILE.outputters = {} end

local dummy = function() end

SILE.outputters.dummy = {
  init = dummy,
  newPage = dummy,
  finish = dummy,
  setColor = dummy,
  pushColor = dummy,
  popColor = dummy,
  outputHbox = dummy,
  setFont = dummy,
  drawImage = dummy,
  drawSVG = dummy,
  imageSize = dummy,
  moveTo = dummy,
  rule = dummy,
  debugFrame = dummy,
  debugHbox = dummy
}

SILE.outputter = SILE.outputters.dummy

if (not SILE.outputters) then SILE.outputters = {} end

local dummy = function() end

SILE.outputters.dummy = {

  init = dummy,

  newPage = dummy,

  finish = dummy,

  setColor = dummy,

  pushColor = dummy,

  popColor = dummy,

  outputHbox = dummy,

  setFont = dummy,

  drawImage = dummy,

  drawSVG = dummy,

  imageSize = dummy,

  moveTo = dummy,

  rule = dummy,

  debugFrame = dummy,

  debugHbox = dummy

}

SILE.outputter = SILE.outputters.dummy

Normalize whitespace across backends for easier diffing
style(backends): Normalize whitespace across backends for easier diffing
