Meta: add id=removing-steps for linkability of the removing steps

Author: foolip

fullscreen.bs

@@ -88,7 +88,8 @@ its <a>node document</a>'s <a>top layer</a>.
  <li><p><a>Exit fullscreen</a> <var>document</var>.
 </ol>
 
-<p>Whenever the <a>removing steps</a> run with a <var>removedNode</var>, run these steps:
+<p id=removing-steps>Whenever the <a>removing steps</a> run with a <var>removedNode</var>, run
+these steps:
 
 <ol>
  <li><p>Let <var>nodes</var> be <var>removedNode</var>'s