code: public void buildEnumConstantComments(XMLNode node, Content enumConstantsTree) {
          if (!configuration.nocomment) {
              writer.addComments(currentElement, enumConstantsTree);
          }
      }
docs: Build the comments for the enum constant.  Do nothing if
  {@link Configuration#nocomment} is set to true.
  
  @param node the XML element that specifies which components to document
  @param enumConstantsTree the content tree to which the documentation will be added