-string">"foo"</span>)  <span class="mdzsyn-comment"># false -- strings compare lexicographically</span>
(<span class="mdzsyn-coresym">compare&lt;=</span> <span class="mdzsyn-keyword">:bar</span> <span class="mdzsyn-keyword">:foo</span>)   <span class="mdzsyn-comment"># true -- keywords compare lexicographically by keyword name</span>
(<span class="mdzsyn-coresym">compare=</span> <span class="mdzsyn-constant">nil</span> <span class="mdzsyn-constant">nil</span>)      <span class="mdzsyn-comment"># true -- ni