The mw-parser-output wrapper breaks the visual layout of the installer,
causing the radio button or checkbox to be one line above the text that
describes it.
Change-Id: I0a7ec34d80d6372927fd89b7752bc08ab0395308
$this->parserTitle = Title::newFromText( 'Installer' );
$this->parserOptions = new ParserOptions( $wgUser ); // language will be wrong :(
$this->parserOptions->setEditSection( false );
+ $this->parserOptions->setWrapOutputClass( false );
// Don't try to access DB before user language is initialised
$this->setParserLanguage( Language::factory( 'en' ) );
}