protected function parseLink($markdown)
	{
		if (!in_array('parseLink', array_slice($this->context, 1)) && ($parts = $this->parseLinkOrImage($markdown)) !== false) {
			list($text, $url, $title, $offset, $key) = $parts;
			return [
				[
					'link',
					'text' => $this->parseInline($text),
					'url' => $url,
					'title' => $title,
					'refkey' => $key,
					'orig' => substr($markdown, 0, $offset),
				],
				$offset
			];
		} else {
			// remove all starting [ markers to avoid next one to be parsed as link
			$result = '[';
			$i = 1;
			while (isset($markdown[$i]) && $markdown[$i] === '[') {
				$result .= '[';
				$i++;
			}
			return [['text', $result], $i];
		}
	}