public String compress(final String data) throws IOException {
		final ReadLine r = new UncommentReadLine(new ReadLineReader(new StringReader(data)));
		final StringBuilder sb = new StringBuilder();
		final StringBuilder full = new StringBuilder();
		String s = null;
		boolean startDone = false;
		while ((s = r.readLine()) != null) {
			append(full, s);
			if (s.startsWith("@startuml")) {
				startDone = true;
			} else if (s.startsWith("@enduml")) {
				return sb.toString();
			} else if (startDone) {
				append(sb, s);
			}
		}
		if (startDone == false) {
			return compressOld(full.toString());
		}
		return sb.toString();
	}