sS transpile_inStringEval(S t) {

  t = dropPrefix("\"", dropSuffix("\"", t));

  new L<S> l;

  int idx;

  while ((idx = t.indexOf("\\*")) >= 0) {

    int j = indexOf(t, idx, "*/");

    if (j < 0) break;

    if (idx > 0)

      l.add("\"" + substring(t, 0, idx) + "\"");

    S code = trim(substring(t, idx+2, j));

    l.add(isIdentifier(code) ? code : "(" + code + ")");

    t = substring(t, j+2);

  }

  if (nempty(t))

    l.add("\"" + t + "\"");

  ret "(" + join(" + ", l) + ")";

}