Ticket #11012: l10n-filter-textdomain.patch

wp-includes/l10n.php

@@ -319 +319 @@
 function load_textdomain($domain, $mofile) {
         global $l10n;
 
+        $mofile = apply_filters('load_textdomain_file', $mofile, $domain);
+
         if ( !is_readable( $mofile ) ) return false;
 
         $mo = new MO();