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