private String getNextString() {
		while ( pos < content.length() && content.charAt(pos) == ' ') 
			pos++;
		if (pos >= content.length())
			return new String("");
		if (content.charAt(pos) == '<') {
			int endPos = content.indexOf('>', pos);
			String retStr = content.substring(pos, endPos+1);
			pos = endPos + 1;
			return retStr;
		} else {
			int endPos = content.indexOf('<', pos);
			String retStr = content.substring(pos, endPos);
			pos = endPos;
			return retStr;
		}	
	}