array( &$this->mIgnoredMessages, &$this->mOptionalMessages ) );
$this->mLanguages = array_keys( Language::fetchLanguageNames( null, 'mwfile' ) );
array( &$this->mIgnoredMessages, &$this->mOptionalMessages ) );
$this->mLanguages = array_keys( Language::fetchLanguageNames( null, 'mwfile' ) );