code: public void addConfiguredManifest( Manifest newManifest )
          throws ManifestException
      {
          if ( configuredManifest == null )
          {
              configuredManifest = newManifest;
          }
          else
          {
              JdkManifestFactory.merge( configuredManifest, newManifest, false );
          }
          savedConfiguredManifest = configuredManifest;
      }
docs: Allows the manifest for the archive file to be provided inline
  in the build file rather than in an external file.
  
  @param newManifest The new manifest
  @throws ManifestException .