anchor.diff:  		script(src='https://d3js.org/d3.v3.min.js')
   		script(src='/socket.io/socket.io.js')
   		style.
  -			body {
  +			h1 {
  +				color: darkblue;
  +			}
  +
  +			svg {
   				font: 10px sans-serif;
   			}
   
  
positive.code: 					.scale y
  					.orient \left
  
  				svg = d3.select \body
  					.append \svg
  						.attr \width  width  + margin.left + margin.right
  						.attr \height height + margin.top  + margin.bottom
  							..append \g
  								.attr \transform "translate(#{margin.left}, #{margin.top})"
  
  				line = d3.svg.line!
  					.x -> x new Date it.timestamp
  					.y -> y it.value
  
  				svg.append \g
  					.attr \class 'x axis'
  
negative.code: 
  	body
  		h1 Group #{group} #{type} sensor
  		#graph
  		p
  			| Time Window: 
  			span#time-val 4000
  			| &nbsp;ms
  			input#time-slider.slider(type='range',  max='100000', value='4000')
  		p
  			| Entry Window: 
  			span#count-val 100
  			| &nbsp;entries
  			input#count-slider.slider(type='range', max='1000',  value='100')
  