code: private void copyDocFiles() {
          PackageDoc containingPackage = annotationTypeDoc.containingPackage();
          if((configuration.packages == null ||
                  Arrays.binarySearch(configuration.packages,
                                      containingPackage) < 0) &&
             ! containingPackagesSeen.contains(containingPackage.name())){
              //Only copy doc files dir if the containing package is not
              //documented AND if we have not documented a class from the same
              //package already. Otherwise, we are making duplicate copies.
              Util.copyDocFiles(configuration, containingPackage);
              containingPackagesSeen.add(containingPackage.name());
          }
       }
docs: Copy the doc files for the current ClassDoc if necessary.