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function hasRawText($text)
	{
		// checks whether the text has text not already enclosed by a block tag
		$r = trim(preg_replace('@<(p|blockquote|div|form|table|ul|ol|pre|h\d)[^>]*?>.*</\1>@s', '', trim($text)));
		$r = trim(preg_replace('@<(hr|br)[^>]*?/>@', '', $r));
		return '' != $r;
	}