Some variables are unique snowflakes

dom.bs

@@ -12,6 +12,7 @@ No Editor: true
 Logo: https://resources.whatwg.org/logo-dom.svg
 Abstract: DOM defines a platform-neutral model for events and node trees.
 Ignored Terms: EmptyString, Array, Elements, Document
+Ignored Vars: p, documentFragment, ev, oldParent, em, processingInstruction, obj, tree, removedNode, C, *, intersects, collapsed
 Boilerplate: omit conformance, omit feedback-header
 </pre>
 
@@ -8182,15 +8183,15 @@ To <dfn export id=concept-NodeIterator-traverse for="NodeIterator">traverse</dfn
   <ol>
    <li>
     <dl class=switch>
-     <dt>If direction is next
+     <dt>If <var>direction</var> is next
      <dd>
       If <var>before node</var> is false, let <var>node</var>
       be the first <a>node</a>
       <a>following</a>
       <var>node</var> in the <span>iterator collection</span>. If
       there is no such <a>node</a> return null.
       If <var>before node</var> is true, set it to false.
-     <dt>If direction is previous
+     <dt>If <var>direction</var> is previous
      <dd>
       If <var>before node</var> is true, let <var>node</var>
       be the first <a>node</a>

dom.html

@@ -3784,11 +3784,11 @@ <h3 class="heading settled" data-level="6.1" id="interface-nodeiterator"><span c
      <ol>
       <li>
        <dl class="switch">
-        <dt>If direction is next 
+        <dt>If <var>direction</var> is next 
         <dd> If <var>before node</var> is false, let <var>node</var> be the first <a data-link-type="dfn" href="#concept-node">node</a> <a data-link-type="dfn" href="#concept-tree-following">following</a> <var>node</var> in the <span>iterator collection</span>. If
       there is no such <a data-link-type="dfn" href="#concept-node">node</a> return null.
       If <var>before node</var> is true, set it to false. 
-        <dt>If direction is previous 
+        <dt>If <var>direction</var> is previous 
         <dd> If <var>before node</var> is true, let <var>node</var> be the first <a data-link-type="dfn" href="#concept-node">node</a> <a data-link-type="dfn" href="#concept-tree-preceding">preceding</a> <var>node</var> in the <span>iterator collection</span>. If
       there is no such <a data-link-type="dfn" href="#concept-node">node</a> return null.
       If <var>before node</var> is false, set it to true.