anchor.diff:            dd: time(datetime="2016-02-07 14:47") Feb 07, 2016 #[span.tod  2:47 PM]
             dd: time(datetime="2016-02-08 09:22") Feb 08, 2016 #[span.tod  9:22 AM]
             dd
  -            time(datetime="2016-02-15 18:33" itemprop="dateModified dateCreated") Feb 15, 2016 #[span.tod  6:33 PM]
  -        nav
  +            time(datetime="2016-02-15 18:33" itemprop="dateCreated") Feb 15, 2016 #[span.tod  6:33 PM]
  +          dd
  +            time(datetime="2016-02-15 14:31" itemprop="dateModified") Feb 16, 2016 #[span.tod  2:31 PM]
  +        nav#table-contents
             h2 Table of Contents
             ol
  -            li: a(href="#table-of-contents") Table of Contents
  +            li: a(href="#table-contents") Table of Contents
               li
                 a(href="#textual-structure") Textual Structure
                 ol
  
positive.code:                 #[code.sg-code tbody] elements; never directly inside #[code.sg-code table]
                li.
                  always nest #[code.sg-code th] and #[code.sg-code td] elements directly inside #[code.sg-code tr] elements
            li
              | When adding a link to one element, wrap the #[code.sg-code &lt;a&gt;] tag around
              |  the #[em outside] of the element to be linked.
              figure: pre.sg-code.sg-code-block.
                &lt;a&gt;&lt;code&gt;this is correct&lt;/code&gt;&lt;/a&gt;
                &lt;code&gt;&lt;a&gt;this is incorrect&lt;/a&gt; unless there is more content not to be linked&lt;/code&gt;
                &lt;a href="//MyCompany.com" itemprop="url"&gt;&lt;span itemprop="name"&gt;My Company&lt;/span&gt;&lt;/a&gt;
            li.
              Give every #[code.sg-code dfn] element a unique #[code.sg-code [id]], so that there is only
              one defining instance of a term per page. Furthermore, it can be used as
              a hyperlink anchor (#[i fragment identifier]).
            li.
              Only use one #[code.sg-code abbr] element on a page to mark up a given abbreviation
              or acronym. Furthermore, give it a unique #[code.sg-code [id]].
        section#optimization
          h2 Optimization
          ul
  
negative.code:               reference or inline, to import partials into a main stylesheet.
                These go after the filename comment block, because any code injected inline
                should be done so underneath.
            section#table-contents-1
              h4 Table of Contents
              p.
                There are two types of table-of-contents. The first type is used in the main stylesheet
  