legend_horizontal_wrap-alll-lines.json

{
  "data": [
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "Break this and last<br>trace will display properly"
    },
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "You need to break this trace twice if first one has no break"
    },
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "You need to break this trace twice if first one has no break"
    },
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "You need to break this trace twice if first one has no break"
    },
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "You need to break this trace twice if first one has no break"
    },
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "You need to break this trace twice if first one has no break"
    },
    {
      "x": [ 1, 2, 3, 4 ],
      "y": [ 3, 5, 1, 7 ],
      "name": "This<br> contains<br>a break"
    }
  ],
  "layout": {
    "legend": {
      "orientation": "h",
      "xanchor": "center",
      "yanchor": "top",
      "x": 0.5,
      "y": -0.1,
      "traceorder": "normal"
    },
    "paper_bgcolor": "rgba(255,0,0,0.5)",
    "margin": {
      "l": 20,
      "r": 20,
      "t": 20,
      "b": 20
    },
    "width": 360,
    "height": 600
  }
}