* Added $wgSend404Code, true by default, which can be set to false to send a
200 status code instead of 404 for nonexistent articles.
* (bug 23427) Introduced {{PAGEID}} variable to expose page.page_id
-* Use jqueryMsg wikitext parser to parse interface messages at client side.
- Support for PLURAL in javascript.
=== Bug fixes in 1.19 ===
* $wgUploadNavigationUrl should be used for file redlinks if.