Ticket #23592: 23592.patch

wp-content/themes/twentythirteen/functions.php

@@ -409 +409 @@
         }
 
         // Post author
-        if ( 'post' == get_post_type() ) {
+        if ( 'post' == get_post_type() && is_multi_author() ) {
                 printf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
                         esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
                         esc_attr( sprintf( __( 'View all posts by %s', 'twentythirteen' ), get_the_author() ) ),