code: public void buildFieldInfo(XMLNode node, Content fieldsContentTree) {
          if(configuration.nocomment){
              return;
          }
          VariableElement field = (VariableElement)currentMember;
          TypeElement te = utils.getEnclosingTypeElement(currentMember);
          // Process default Serializable field.
          if ((utils.getSerialTrees(field).isEmpty()) /*&& ! field.isSynthetic()*/
                  && configuration.serialwarn) {
              messages.warning(field,
                      "doclet.MissingSerialTag", utils.getFullyQualifiedName(te),
                      utils.getSimpleName(field));
          }
          fieldWriter.addMemberDescription(field, fieldsContentTree);
          fieldWriter.addMemberTags(field, fieldsContentTree);
      }
docs: Build the field information.
  
  @param node the XML element that specifies which components to document
  @param fieldsContentTree content tree to which the documentation will be added