anchor.diff:  
     .container
   
  -    .navbar.navbar-default(role='navigation')
  +    .navbar.navbar-default(role='navigation', ng-controller='HeaderController')
         .container-fluid
   
           .navbar-header
  
positive.code: 
          .collapse.navbar-collapse
            ul.nav.navbar-nav
              li.active
                a(href='#') Home
              li
                a(href='/order') Orders
              li
                a(href='/private') Private
  
            ul.nav.navbar-nav.navbar-right
              if user
                li.active
                  a(href='/user/profile') Account:
                    | &nbsp;
                    strong #{user.username}
                li
                  a(href='/user/logout') Logout
              else
                li.active
                  a(href='/user/signup') Sign up
                li
                  a(href='/user/login') Login
  
negative.code:         .ng-view
  
    script(type='text/javascript', src='/vendor/jquery/dist/jquery.min.js')
    script(type='text/javascript', src='/vendor/angular/angular.min.js')
    script(type='text/javascript', src='/vendor/angular-route/angular-route.min.js')
    script(type='text/javascript', src='/vendor/angular-resource/angular-resource.min.js')
  
    != js('app')
  | </html>