code: public void buildFieldInfo(XMLNode node, Content fieldsContentTree) {
          if(configuration.nocomment){
              return;
          }
          FieldDoc field = (FieldDoc)currentMember;
          ClassDoc cd = field.containingClass();
          // Process default Serializable field.
          if ((field.tags("serial").length == 0) && ! field.isSynthetic()
                  && configuration.serialwarn) {
              configuration.message.warning(field.position(),
                      "doclet.MissingSerialTag", cd.qualifiedName(),
                      field.name());
          }
          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