code: def write_manifest(self):
          
          self.filelist._repair()
  
          # Now _repairs should encodability, but not unicode
          files = [self._manifest_normalize(f) for f in self.filelist.files]
          msg = "writing manifest file '%s'" % self.manifest
          self.execute(write_file, (self.manifest, files), msg)
docs: Write the file list in 'self.filelist' to the manifest file
          named by 'self.manifest'.