static LS tok_splitAtComma_unquote(S s) {
  ret tok_splitAtComma_unquote(javaTok(s));
}
  
static LS tok_splitAtComma_unquote(LS tok) {
  new LS out;
  for i over tok: {
    int j = smartIndexOf(tok, ",", i);
    out.add(unquote(trimJoinSubList(tok, i, j)));
    i = j;
  }
  ret out;
}