anchor.diff:  
   script.js-project(type='template')
   	.project
  -		input.title.js-title
  +		input.title.js-title(placeholder='Project title')
   		.tree-view
   			ul
   			button.add-sub-task.js-add-sub-task: i.fa.fa-plus
  
positive.code: 				span Actual
  				input.actual.js-actual(placeholder='Unknown')
  
  		textarea.js-description
  
  		button.delete.js-delete
  			i.fa.fa-remove
  
negative.code: 	li
  		.task.js-task
  			h1
  			input(placeholder='Task title')
  			.description.js-description
  			i.fa.fa-plus-square.button.add-sub-task.js-add-sub-task
  			i.fa.fa-cog.button.task-details.js-task-details
  