sS sf_makeArgumentsFinal(S name) {
  S snippetID = standardFunctionMap().get(name);
  if (snippetID == null) ret "Function not found: " + name;
  S src = loadSnippet(snippetID);
  LS tok = javaTok(src);
  tok_makeArgumentsToAllFunctionsFinal(tok);
  ret eq(join(tok), src) ? "No change" : editSnippet(snippetID, join(tok));
}