anchor.diff:            This is not #[em the] rulebook for all projects.
             However, you may extend this guide to other projects if you wish.
         section
  -        h1 Section 1. Textual Structure
  +        h1 Textual Structure
           section
             h1 Whitespace
             ul
  
positive.code:               Text content does *not* count as a block element.
              &lt;/p&gt;
              &lt;p&gt;Inline elements &lt;del&gt;may&lt;/del&gt;
                &lt;ins&gt;should&lt;/ins&gt; be written in-line with text.&lt;/p&gt;
              &lt;ul&gt;
                &lt;li&gt;&lt;p&gt;Here is an exception to the line-break rule:&lt;/p&gt;&lt;/li&gt;
                &lt;li&gt;&lt;p&gt;Line breaks may be omitted for only-child block-level elements that take up one line.&lt;/p&gt;&lt;/li&gt;
                &lt;li&gt;&lt;p&gt;*Do not do this* if you must use
                  a line break!&lt;/p&gt;&lt;/li&gt;
                &lt;li&gt;
  
negative.code:               while inline-level HTML elements are written in-line with text.
              li Line breaks may also be used within long passages of text content.
              li In CSS, 99% of the time, each rule is written on its own line.
            section
              h1 Exceptions
              ul
                li Line breaks may be omitted when multiple, parallel code structures can fit on one line.
                li Line breaks may be introduced to improve readability and produce more useful diffs.
                li Use spaces to horizontally align text in such cases.
          section
            h1 Indentation
            ul
  