Ticket #10203: link-template-10203-1.diff

wp-includes/link-template.php

@@ -2217 +2217 @@
  * @param string $nxtlabel Optional Label for next pages.
  */
 function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) {
-        $args = array_filter( compact('sep', 'prelabel', 'nxtlabel') );
+        $args = compact('sep', 'prelabel', 'nxtlabel');
         echo get_posts_nav_link($args);
 }