void fieldOptionChanged(String fieldName, Object newValue) {
		//TODO		if (name.startsWith(OPERAND_OPTIONS_PREFIX) && (newValue instanceof Boolean)) {
		//			for (int i = 0; i < toggleOperandMarkupActions.length; i++) {
		//				ToggleOperandMarkupAction action = toggleOperandMarkupActions[i];
		//				if (name.equals(action.getOptionName())) {
		//					boolean newState = ((Boolean)newValue).booleanValue();
		//					if (action.isSelected() != newState) {
		//						action.setSelected(newState);
		//					}
		//					break;
		//				}
		//			}
		//		}
	}
TODO: Remove or rename this to something that accommodates redirecting writes, e.g., to a
debug target process, particularly for assembly, which may involve code unit modification
after a successful write, reported asynchronously :/ .

@return true if this listing represents a read-only view
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/codebrowser/CodeViewerProvider.java