// pair(id, date), newest first
static LPair<Long, S> oldTranspilationsOfSnippet(S snippetID) {
  S html = loadPage(tb_mainServer() + "/tb/old-transpilations.php?id=" + psI(snippetID));
  new LPair<Long, S> out;
  for (LS row : dropFirst(new TableFinder(html).rows()))
    out.add(pair(parseLong(regexp_firstGroup("[&?]c_id=(\\d+)", third(row))), first(row)));
  ret out;
}