Remove whitespace

dom.bs

@@ -2706,7 +2706,7 @@ that <var ignore>connectedNode</var> <a>participates</a> in, create <a for=/>bro
 or otherwise execute JavaScript. These steps allow a batch of <a>nodes</a> to be
 <a for=/>inserted</a> <em>atomically</em> with respect to script, with all major side effects
 occurring <em>after</em> the batch insertions into the <a>node tree</a> is complete. This ensures
-that all pending <a>node tree</a> insertions completely finish before more insertions can occur. 
+that all pending <a>node tree</a> insertions completely finish before more insertions can occur.
 
 <p><a lt="other applicable specifications">Specifications</a> may define
 <dfn export id=concept-node-children-changed-ext>children changed steps</dfn> for all or some