protected function outputWhitespace($maxPos)
	{
		if ($maxPos > $this->pos)
		{
			$spn = strspn($this->text, self::WHITESPACE, $this->pos, $maxPos - $this->pos);

			if ($spn)
			{
				$this->output .= substr($this->text, $this->pos, $spn);
				$this->pos += $spn;
			}
		}
	}