anchor.diff:            dd.update
               time(datetime="2016-03-06 15:41" itemprop="dateModified") Mar  6, 2016 #[span.tod  3:42 PM]
               span.o-Textbox.c-Label.c-Label--dang.-ml-1 Latest
  -      section
  +        nav#table-contents
  +          h2 Table of Contents
  +          ol
  +            li: a(href="#table-contents") Table of Contents
  +            li: a(href="#sections") Sections
  +            li
  +              a(href="#grouping-content") Grouping Content
  +              ol
  +                li: a(href="#paragraph-like-content") Paragraph-Like Content
  +                li: a(href="#lists") Lists
  +                li: a(href="#tables") Tables
  +            li
  +              a(href="#text-level-semantics") Text-Level Semantics
  +              ol
  +                li: a(href="#stressed-text") Stressed Text
  +                li: a(href="#documentation-edits") Documentation and Edits
  +                li: a(href="#machine-readable-data") Machine-Readable Data
  +            li: a(href="#embedded-content") Embedded Content
  +            li: a(href="#form-content") Form Content
  +            li: a(href="#interactive-content") Interactive Content
  +      section#sections
           h2 Sections
           p May be used where Flow Content is expected.
           ul
  
positive.code:             li #[code tr]
              li #[code th] #[sup: +reference('th')]
              li #[code td] #[+tag('Sectioning Root','td-sectioning-root')]
        section
          h2 Text-Level Semantics
          p.
            May be used where Phrasing Content is expected.
  
negative.code:             li #[code code]
              li #[code kbd]
              li #[code samp]
        section#embedded-content
          h2 Embedded Content
          ul
            li #[code img] #[+tag('Nothing Content Model','img-nothing-content-model')]
        section#form-content
          h2 Form Content
          ul
            li #[code fieldset] #[+tag('Sectioning Root','fieldset-sectioning-root')]
            li #[code legend] #[+tag('Phrasing Content Model','legend-phrasing-content-model')]
            li #[code input] #[+tag('Nothing Content Model','input-nothing-content-model')]
            li #[code label] #[+tag('Phrasing Content Model','label-phrasing-content-model')] #[sup: +reference('label')]
        section#interactive-content
          h2 Interactive Content
          ul
            li #[code details] #[+tag('Sectioning Root','details-sectioning-root')]
  