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