Ticket #31315: 31315.patch

wp-includes/link-template.php

@@ -2401 +2401 @@
                 <h2 class="screen-reader-text">%2$s</h2>
                 <div class="nav-links">%3$s</div>
         </nav>';
+        /**
+         * Filter the navigation markup template.
+         *
+         * @since 4.2.0
+         *
+         * @param string $template The default template
+         * @param string $class The class passed by the calling function.
+         * @return string Navigation template. 
+         */
+        apply_filters( 'navigation_markup_template', $template, $class );
 
         return sprintf( $template, sanitize_html_class( $class ), esc_html( $screen_reader_text ), $links );
 }