Translations:Manual:Upgrading/561/en

Next, run update.php, and then set the $legacy option in LocalSettings.php to the encoding previously used by the wiki (e.g. windows-1252). This is basically how Wikipedia and other Wikimedia Foundation sites were upgraded from MediaWiki 1.4 to 1.5 – see the [$noc settings page for enwiki] and some related notes at Wikitech.