- <?php echo get_avatar( get_the_author_meta( 'user_email' ), apply_filters( 'twentytwelve_author_bio_avatar_size', 68 ) ); ?>
+ <?php
+ /** This filter is documented in author.php */
+ $author_bio_avatar_size = apply_filters( 'twentytwelve_author_bio_avatar_size', 68 );
+ echo get_avatar( get_the_author_meta( 'user_email' ), $author_bio_avatar_size );
+ ?>