public function setContent( $text )
	{
		if ( $text == $this->getContent() ) { return; }

		@ini_set( 'mbstring.substitute_character', 'none' );
		$this->_values['content'] = @mb_convert_encoding( (string) $text, 'UTF-8', 'UTF-8' );
		$this->setModified();
	}