public LanguageDescription getLatestOldLanguage(LanguageID languageID) {
		OldLanguage oldLang = latestVersionMap.get(languageID);
		if (oldLang != null) {
			return oldLang.getDescription();
		}
		return null;
	}
Return language description for the latest version of an old language
@param languageID
@return old language description or null if specification not found.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/util/OldLanguageFactory.java