void parseLocation(String loc) {
		loc = loc.replaceAll("[<>()]", "");
		if (loc.startsWith("complement")) {
			complement = true;
			loc = loc.substring(COMPLEMENT_STRING.length());
		}

		String se[] = loc.split("[\\.]+");
		if (se.length > 1) {
			start = Gpr.parseIntSafe(se[0]);
			end = Gpr.parseIntSafe(se[1]);
		}
	}