push graphic-context
  encoding "UTF-8"
  viewbox 0 0 260 180
  affine 1 0 0 1 0 0
  push defs
    push gradient 'Gradient_B' radial 130,90 130,90 125
      gradient-units 'userSpaceOnUse'
      stop-color '#4488ff' 0.2
      stop-color '#ddaa44' 0.7
      stop-color '#ee1122' 1
    pop gradient
  pop defs
  push graphic-context
    fill 'url(#Gradient_B)'
    rectangle 0,0 260,180
  pop graphic-context
pop graphic-context