svoid test_tok_scanTypeArg() {
  LS tok = javaTok("A<B>");
  assertEqualsVerbose("<B>", tok_scanTypeArg(tok, indexOf(tok, "<")));
  tok = javaTok("A<B, C> d");
  assertEqualsVerbose("<B, C>", tok_scanTypeArg(tok, indexOf(tok, "<")));
}