Ticket #11952: sanitize-translation-of-hello-world-slug.2.diff

wp-admin/includes/upgrade.php

@@ -169 +169 @@
                                                                 'post_excerpt' => '',
                                                                 'post_title' => __('Hello world!'),
                                                                 /* translators: Default post slug */
-                                                                'post_name' => _x('hello-world', 'Default post slug'),
+                                                                'post_name' => sanitize_title( _x('hello-world', 'Default post slug') ),
                                                                 'post_modified' => $now,
                                                                 'post_modified_gmt' => $now_gmt,
                                                                 'guid' => $first_post_guid,