anchor.diff:            | Chrome 
           | and 
           a(href='https://www.mozilla.org/en-US/firefox/new/', target='_blank')
  -          | Firefox.
  +          | Firefox.
positive.code:                     |  Mixing language (English text with a Spanish voice) does not produce valid results.
              div.row(style='margin-bottom:30px;')
                label.col-lg-12.col-xs-12.control-label(for='voice') Select the Voice model:
                div.col-lg-12.col-xs-12
                  select.form-control#voice(style='width:100%', name='voice', required)
                    option(value='VoiceEnUsMichael') English male voice
                    option(value='VoiceEnUsLisa') English female voice
                    option(value='VoiceEsEsEnrique') Spanish male voice
              div.row
                div.col-lg-4.col-xs-4.download-container
                  input.btn.btn-block.download-button(value='Download')
  
negative.code: //- index.jade
  extends ./layout.jade
  
  
  block row-content
    div.row
  