old_contents: 'use strict';
  
  module.exports = function(Chart) {
  
  	var defaultConfig = {
  		hover: {
  			mode: 'single'
  		},
  
  		scales: {
  			xAxes: [{
  				type: 'linear', // scatter should not use a category axis
  				position: 'bottom',
  				id: 'x-axis-1' // need an ID so datasets can reference the scale
  			}],
  			yAxes: [{
  				type: 'linear',
  				position: 'left',
  				id: 'y-axis-1'
  			}]
  		},
  
  		tooltips: {
  			callbacks: {
  				title: function() {
  					// Title doesn't make sense for scatter since we format the data as a point
  					return '';
  				},
  				label: function(tooltipItem) {
  					return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')';
  				}
  			}
  		}
  	};
  
  	// Register the default config for this type
  	Chart.defaults.scatter = defaultConfig;
  
  	// Scatter charts use line controllers
  	Chart.controllers.scatter = Chart.controllers.line;
  
  	Chart.Scatter = function(context, config) {
  		config.type = 'scatter';
  		return new Chart(context, config);
  	};
  
  };
  
new_contents: 'use strict';
  
  module.exports = function(Chart) {
  
  	var defaultConfig = {
  		hover: {
  			mode: 'single'
  		},
  
  		scales: {
  			xAxes: [{
  				type: 'linear', // scatter should not use a category axis
  				position: 'bottom',
  				id: 'x-axis-1' // need an ID so datasets can reference the scale
  			}],
  			yAxes: [{
  				type: 'linear',
  				position: 'left',
  				id: 'y-axis-1'
  			}]
  		},
  		showLines: false,
  
  		tooltips: {
  			callbacks: {
  				title: function() {
  					// Title doesn't make sense for scatter since we format the data as a point
  					return '';
  				},
  				label: function(tooltipItem) {
  					return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')';
  				}
  			}
  		}
  	};
  
  	// Register the default config for this type
  	Chart.defaults.scatter = defaultConfig;
  
  	// Scatter charts use line controllers
  	Chart.controllers.scatter = Chart.controllers.line;
  
  	Chart.Scatter = function(context, config) {
  		config.type = 'scatter';
  		return new Chart(context, config);
  	};
  
  };
  
subject: Update scatter chart default config to hide lines