docs: def download(ui, repo, clname, **opts):
  	"""download a change from the code review server
  
  	Download prints a description of the given change list
  	followed by its diff, downloaded from the code review server.
  	"""
  	if codereview_disabled:
  		raise hg_util.Abort(codereview_disabled)
  
  	cl, vers, patch, err = DownloadCL(ui, repo, clname)
  	if err != "":
  		return err
  	ui.write(cl.EditorText() + "\n")
  	ui.write(patch + "\n")
  	return