--- a/implementation.js	Mon Jun 20 15:50:59 2011 -0600
+++ b/implementation.js	Mon Jun 20 15:52:03 2011 -0600
@@ -5752,6 +5752,8 @@
 
 		// "If node has only one child, which is a collapsed line break, remove
 		// its child from it."
+		//
+		// FIXME: IE incorrectly returns false here instead of true sometimes?
 		if (node.childNodes.length == 1
 		&& isCollapsedLineBreak(node.firstChild)) {
 			node.removeChild(node.firstChild);