*** a/src/bin/psql/tab-complete.c
--- b/src/bin/psql/tab-complete.c
***************
*** 3341,3349 **** psql_completion(char *text, int start, int end)
  	else if (strcmp(prev_wd, "\\pset") == 0)
  	{
  		static const char *const my_list[] =
! 		{"format", "border", "expanded",
! 			"null", "fieldsep", "tuples_only", "title", "tableattr",
! 		"linestyle", "pager", "recordsep", NULL};
  
  		COMPLETE_WITH_LIST_CS(my_list);
  	}
--- 3341,3349 ----
  	else if (strcmp(prev_wd, "\\pset") == 0)
  	{
  		static const char *const my_list[] =
! 		{"border", "columns", "expanded", "fieldsep", "footer",
! 		 "format", "linestyle", "null", "numericlocale", "pager",
! 		 "recordsep", "tableattr", "title", "tuples_only", NULL};
  
  		COMPLETE_WITH_LIST_CS(my_list);
  	}