<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_v4fc5tuqb7rc80oc775b7l30gs, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static L<S> dropCertainPunctuationAtEnd(L<S> tok, S charsToDrop) {
  tok = cloneList(tok);
  for (int i = tok.size()-2; i > 0; i -= 2) {
    S t = tok.get(i);
    if (t.length() == 1 && charsToDrop.contains(t)) {
      tok.remove(i+1);
      tok.remove(i);
    } else break;
  }
  return tok;
}

static S dropCertainPunctuationAtEnd(S s, S chars) {
  ret join(dropCertainPunctuationAtEnd(nlTok(s), chars));
}