Ixion: Use wp_kses_post rather than wp_filter_post_kses. See 5019-wpcom-themes

ixion/archive-jetpack-testimonial.php

@@ -23,7 +23,7 @@ get_header(); ?>
 				?>
 			</h1>
 			<div class="taxonomy-description">
-				<?php echo convert_chars( convert_smilies( wptexturize( stripslashes( wp_filter_post_kses( addslashes( $jetpack_options['page-content'] ) ) ) ) ) ); ?>
+				<?php echo convert_chars( convert_smilies( wptexturize( wp_kses_post( $jetpack_options['page-content'] ) ) ) ); ?>
 			</div>
 		</header>
 	<?php endif; ?>