code: private String lookUpDescriptionInFormerLocation(String ruleKey, String relatedProperty) {
      return defaultI18n.messageFromFile(Locale.ENGLISH, ruleKey + ".html", relatedProperty);
    }
docs: /*
  Method used to ensure backward compatibility for language plugins that store HTML rule description files in the former
  location (which was used prior to Sonar 3.0).
  
  See http://jira.sonarsource.com/browse/SONAR-3319