doctype html
html
  head
    meta(charset='utf-8')
    meta(http-equiv='X-UA-Compatible', content='IE=edge')
    meta(name='description', content='Mikko Kivelä is a developer and designer of accessible web and app experiences')
    meta(name='viewport', content='width=device-width, initial-scale=1')
    meta(name="google-site-verification" content="kp0S7R6R8GgklniNtOjwUbAxlAcR2ysiIRbAsiN9xcs")
    title Mikko Kivelä
    style(type="text/css")
      include ../../build/stylesheets/app.css
    <!--[if lt IE 9]>
    <script src="/javascripts/html5shiv.min.js"></script>
    <![endif]-->
    script
      include ga.js
    script(type="text/javascript", src="http://fast.fonts.net/jsapi/f5dc34d3-e5ae-4fd4-a647-0edc6acc7954.js")
  body(class="#{currentPage()}")
    block body
    script(type="text/javascript", src="/javascripts/app.js", async=true)
    block scripts

doctype html
html(lang="en")
  head
    meta(charset='utf-8')
    meta(http-equiv='X-UA-Compatible', content='IE=edge')
    meta(name='description', content='Mikko Kivelä is a developer and designer of accessible web and app experiences')
    meta(name='viewport', content='width=device-width, initial-scale=1')
    meta(name="google-site-verification" content="kp0S7R6R8GgklniNtOjwUbAxlAcR2ysiIRbAsiN9xcs")
    title Mikko Kivelä
    style(type="text/css")
      include ../../build/stylesheets/app.css
    <!--[if lt IE 9]>
    <script src="/javascripts/html5shiv.min.js"></script>
    <![endif]-->
    script
      include ga.js
    script(type="text/javascript", src="http://fast.fonts.net/jsapi/f5dc34d3-e5ae-4fd4-a647-0edc6acc7954.js")
  body(class="#{currentPage()}")
    block body
    script(type="text/javascript", src="/javascripts/app.js", async=true)
    block scripts

Define site language in HTML
Define site language in HTML