protected void processCsi(byte c) {
		switch (c) {
			default:
				processCsiParamOrCommand(c);
				break;
			case '?':
				mode = Mode.CSI_Q;
				break;
		}
	}
There's not really a good way to know if any trailing space was intentional. For GDB/MI, that
doesn't really matter.
Ghidra/Framework/Pty/src/main/java/ghidra/pty/windows/AnsiBufferedInputStream.java