anchor.diff:  
   					div(class="form-group")
   						div(class="col-md-offset-2 col-md-10")
  -							button(type="button",class="btn btn-default",id="submit-form") Add 
  +							button(type="button",class="btn btn-default",id="submit-form") Add
   
   
   block js
  
positive.code: 		table(class="table table-condensed table-striped")
  			thead
  				tr
  					th No.
  					th Name
  					th Address
  					th Category
  
negative.code: 			tbody
  				each institution in institutions
  					tr
  						td #{institution.id}
  						td #{institution.name}
  						td #{institution.address}
  						td #{institution.category}
  