private static void unescapeDoubleQuotes(ByteChunk bc) {

		if (bc == null || bc.getLength() == 0 || bc.indexOf('"', 0) == -1) {
			return;
		}

		int src = bc.getStart();
		int end = bc.getEnd();
		int dest = src;
		byte[] buffer = bc.getBuffer();

		while (src < end) {
			if (buffer[src] == '\\' && src < end && buffer[src + 1] == '"') {
				src++;
			}
			buffer[dest] = buffer[src];
			dest++;
			src++;
		}
		bc.setEnd(dest);
	}