code: public String[] getOverviewMetaKeywords(String title, String docTitle) {
          if( configuration.keywords ) {
              String windowOverview = configuration.getText(title);
              String[] metakeywords = { windowOverview };
              if (docTitle.length() > 0 ) {
                  metakeywords[0] += ", " + docTitle;
              }
              return metakeywords;
          } else {
              return new String[] {};
          }
      }
docs: Get the overview keywords.