Ticket #31868: 31868.2.diff

src/wp-includes/query.php

@@ -729 +729 @@
  */
 function is_main_query() {
         if ( 'pre_get_posts' === current_filter() ) {
-                $message = sprintf( __( 'In <code>%1$s</code>, use the <code>%2$s</code> method, not the <code>%3$s</code> function. See %4$s.' ),
-                        'pre_get_posts', 'WP_Query::is_main_query()', 'is_main_query()', __( 'https://codex.wordpress.org/Function_Reference/is_main_query' ) );
+                $message = sprintf(
+                        /* translators: 1: pre_get_posts 2: WP_Query::is_main_query() 3: is_main_query() 4: link to codex is_main_query() page. */
+                        __( 'In %1$s, use the %2$s method, not the %3$s function. See %4$s.' ),
+                        '<code>pre_get_posts</code>',
+                        '<code>WP_Query::is_main_query()</code>',
+                        '<code>is_main_query()</code>',
+                        __( 'https://codex.wordpress.org/Function_Reference/is_main_query' )
+                );
                 _doing_it_wrong( __FUNCTION__, $message, '3.7' );
         }