Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 19662)
+++ wp-admin/includes/template.php	(working copy)
@@ -334,7 +334,7 @@
 	<div id="replycontainer">
 	<?php
 	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,spell,close' );
-	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings ) );
+	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings, 'tabindex' => 104 ) );
 	?>
 	</div>