private void readOldLanguage(boolean descriptionOnly) throws IOException {

		InputStream is = null;
		try {
			is = new BufferedInputStream(oldLangFile.getInputStream());
			SAXBuilder sax = XmlUtilities.createSecureSAXBuilder(false, false);
			Document document = sax.build(is);
			Element root = document.getRootElement();

			parseOldLanguage(root, descriptionOnly);

		}
		catch (SAXNotRecognizedException e) {
			throw new IOException("Failed to parse old language: " + oldLangFile, e);
		}
		catch (JDOMException e) {
			throw new IOException("Failed to parse old language: " + oldLangFile, e);
		}
		catch (SAXException e) {
			throw new IOException("Failed to parse old language: " + oldLangFile, e);
		}
		finally {
			if (is != null) {
				try {
					is.close();
				}
				catch (IOException e1) {
				}
			}
		}
	}
Returns language description associated with this old language.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/OldLanguage.java