Meta: fix markup errors

dom.bs

@@ -222,7 +222,7 @@ of <a>preceding</a>
 <a for=tree>siblings</a>.
 
 
-<h3 id="ordered sets">Ordered sets</h3>
+<h3 id="ordered-sets">Ordered sets</h3>
 
 The <dfn export id=concept-ordered-set-parser>ordered set parser</dfn> takes a string
 <var>input</var> and then runs these steps:
@@ -647,7 +647,7 @@ steps:
 <ol>
  <li><p>Let <var>composedPath</var> be a new empty list.
 
- <li><p>Let <var>currentTarget</var> be <a>context object</a>'s <code for=Event>currentTarget</code>
+ <li><p>Let <var>currentTarget</var> be <a>context object</a>'s {{Event/currentTarget}}
  attribute value.
 
  <li>
@@ -3704,7 +3704,7 @@ if the <a>context object</a> is a <a>document</a>, and the <a>context object</a>
 
 <p>The <dfn method for=Node><code>getRootNode(<var>options</var>)</code></dfn>
 attribute's getter must return <a>context object</a>'s <a>shadow-including root</a> if
-<var>options</var>'s <code for=GetRootNodeOptions>composed</code> is true, and
+<var>options</var>'s {{GetRootNodeOptions/composed}} is true, and
 <a>context object</a>'s <a for=tree>root</a> otherwise.
 
 <p>The <dfn attribute for=Node><code>parentNode</code></dfn> attribute's getter must return the
@@ -4550,7 +4550,7 @@ is "<code>quirks</code>", and
 </div>
 
 <p>A <a>document</a>'s <a>get the parent</a> algorithm, given an <var>event</var>, returns
-null if <var>event</var>'s <code for=Event>type</code> attribute value is "<code>load</code>" or
+null if <var>event</var>'s {{Event/type}} attribute value is "<code>load</code>" or
 <a>document</a> does not have a <a for=Document>browsing context</a>, and the <a>document</a>'s
 <a lt=concept-document-window>associated</a> {{Window}} object otherwise.