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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_9lbll8s2lacfji930a1lrm02i2, 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 />
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<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 />
sclass HTMLFramer1 {
  S title;
  new L<NavItem> navItems;
  new LS contents;

  srecord NavItem(S link, S html) {}
  
  swappable S render() {
    ret hhtml(hhead_title(title)
      + hbody(h1(htmlEncode2(title))
      + renderNav()
      + lines(contents)));
  }
  
  swappable S renderNav() {
    if (empty(navItems)) ret "";
    ret p(joinWithVBar(map(navItems, ni -> ahref(ni.link, ni.html))));
  }
}