Index: src/wp-admin/css/edit.css
===================================================================
--- src/wp-admin/css/edit.css	(revision 34663)
+++ src/wp-admin/css/edit.css	(working copy)
@@ -24,11 +24,15 @@
 }
 
 #save-action .spinner,
-#show-comments a,
-#show-comments .spinner {
+#show-comments a {
 	float: left;
 }
 
+#show-comments .spinner {
+	float: none;
+	margin-top: 0;
+}
+
 #lost-connection-notice .spinner {
 	visibility: visible;
 	float: left;
@@ -246,7 +250,8 @@
 #normal-sortables .postbox #replyrow .submit {
 	float: none;
 	margin: 0;
-	padding: 0 7px 5px;
+	padding: 5px 7px 10px;
+	overflow: hidden;
 }
 
 #side-sortables .submitbox .submit input,
Index: src/wp-admin/css/list-tables.css
===================================================================
--- src/wp-admin/css/list-tables.css	(revision 34663)
+++ src/wp-admin/css/list-tables.css	(working copy)
@@ -152,7 +152,8 @@
 
 #replysubmit {
 	margin: 0;
-	padding: 0 5px 3px;
+	padding: 5px 7px 10px;
+	overflow: hidden;
 	text-align: center;
 }
 
@@ -166,13 +167,25 @@
 	text-align: center;
 }
 
-#replyrow h5 {
-	margin: .2em 0 0;
-	padding: 0 5px;
-	line-height: 1.4em;
-	font-size: 1em;
+#replyrow.inline-edit-row fieldset.comment-reply {
+	font-size: inherit;
+	line-height: inherit;
 }
 
+#replyrow legend {
+	margin: 0;
+	padding: .2em 5px 0;
+	font-size: 13px;
+	line-height: 1.4;
+	font-weight: 600;
+}
+
+#replyrow.inline-edit-row label {
+	display: inline;
+	vertical-align: baseline;
+	line-height: inherit;
+}
+
 #edithead .inside,
 #commentsdiv #edithead .inside {
 	float: left;
@@ -433,7 +446,6 @@
 }
 
 #commentsdiv #edithead .inside input {
-	vertical-align: middle;
 	width: 160px;
 }
 
Index: src/wp-admin/includes/template-functions.php
===================================================================
--- src/wp-admin/includes/template-functions.php	(revision 34663)
+++ src/wp-admin/includes/template-functions.php	(working copy)
@@ -380,8 +380,21 @@
 <?php else : ?>
 <div id="com-reply" style="display:none;"><div id="replyrow" style="display:none;">
 <?php endif; ?>
-	<div id="replyhead" style="display:none;"><h5><?php _e( 'Reply to Comment' ); ?></h5></div>
-	<div id="addhead" style="display:none;"><h5><?php _e('Add new Comment'); ?></h5></div>
+	<fieldset class="comment-reply">
+	<legend>
+		<span class="hidden" id="editlegend"><?php _e( 'Edit Comment' ); ?></span>
+		<span class="hidden" id="replyhead"><?php _e( 'Reply to Comment' ); ?></span>
+		<span class="hidden" id="addhead"><?php _e( 'Add new Comment' ); ?></span>
+	</legend>
+
+	<div id="replycontainer">
+	<label for="replycontent" class="screen-reader-text"><?php _e( 'Comment' ); ?></label>
+	<?php
+	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
+	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings ) );
+	?>
+	</div>
+
 	<div id="edithead" style="display:none;">
 		<div class="inside">
 		<label for="author-name"><?php _e( 'Name' ) ?></label>
@@ -397,16 +410,8 @@
 		<label for="author-url"><?php _e('URL') ?></label>
 		<input type="text" id="author-url" name="newcomment_author_url" class="code" size="103" value="" />
 		</div>
-		<div style="clear:both;"></div>
 	</div>
 
-	<div id="replycontainer">
-	<?php
-	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
-	wp_editor( '', 'replycontent', array( 'media_buttons' => false, 'tinymce' => false, 'quicktags' => $quicktags_settings ) );
-	?>
-	</div>
-
 	<p id="replysubmit" class="submit">
 	<a href="#comments-form" class="save button-primary alignright">
 	<span id="addbtn" style="display:none;"><?php _e('Add Comment'); ?></span>
@@ -415,7 +420,6 @@
 	<a href="#comments-form" class="cancel button-secondary alignleft"><?php _e('Cancel'); ?></a>
 	<span class="waiting spinner"></span>
 	<span class="error" style="display:none;"></span>
-	<br class="clear" />
 	</p>
 
 	<input type="hidden" name="action" id="action" value="" />
@@ -430,6 +434,7 @@
 		if ( current_user_can( 'unfiltered_html' ) )
 			wp_nonce_field( 'unfiltered-html-comment', '_wp_unfiltered_html_comment', false );
 	?>
+	</fieldset>
 <?php if ( $table_row ) : ?>
 </td></tr></tbody></table>
 <?php else : ?>
Index: src/wp-admin/js/edit-comments.js
===================================================================
--- src/wp-admin/js/edit-comments.js	(revision 34663)
+++ src/wp-admin/js/edit-comments.js	(working copy)
@@ -676,7 +676,7 @@
 			$('#author-url', editRow).val( $('div.author-url', rowData).text() );
 			$('#status', editRow).val( $('div.comment_status', rowData).text() );
 			$('#replycontent', editRow).val( $('textarea.comment', rowData).val() );
-			$('#edithead, #savebtn', editRow).show();
+			$( '#edithead, #editlegend, #savebtn', editRow ).show();
 			$('#replyhead, #replybtn, #addhead, #addbtn', editRow).hide();
 
 			if ( h > 120 ) {
@@ -691,12 +691,12 @@
 			});
 		} else if ( action == 'add' ) {
 			$('#addhead, #addbtn', editRow).show();
-			$('#replyhead, #replybtn, #edithead, #savebtn', editRow).hide();
+			$( '#replyhead, #replybtn, #edithead, #editlegend, #savebtn', editRow ) .hide();
 			$('#the-comment-list').prepend(editRow);
 			$('#replyrow').fadeIn(300);
 		} else {
 			replyButton = $('#replybtn', editRow);
-			$('#edithead, #savebtn, #addhead, #addbtn', editRow).hide();
+			$( '#edithead, #editlegend, #savebtn, #addhead, #addbtn', editRow ).hide();
 			$('#replyhead, #replybtn', editRow).show();
 			c.after(editRow);