@Override
	protected void setChanged(boolean state) {
		super.setChanged(state);
		if (!state && !dbh.isChanged()) {
			// language upgrade has already been completed
			languageUpgradeTranslator = null;
		}
	}
This method is required to handle old register addresses which
have a namespace.
@param addr register address
@return converted register address which does not have a namespace setting.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/ProgramDB.java