<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_6m8bjgmdrlj9bqsqrm1vthtuhj, 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 />
!7

p {
  L<S> lines = trimAll(lines(mechList_raw("heise.de 2018/04/20 (raw)")));
  JList list = showList(notEndingWith(".", filter containsSpace(standAloneLines(lines))));
  
  L<S> ops = mechLists_intersect("Operations on lists", "Safe JavaX functions");
  
  addToWindowWithMargin(jcenteredLine(map(ops, func(S op) -> JButton {
    jbutton(op)
  })));
}