@ <hr />
  onoff_attribute("Allow block-markup in timeline",
                  "timeline-block-markup", "tbm", 0);
  @ <p>In timeline displays, check-in comments can be displayed with or
  @ without block markup (paragraphs, tables, etc.)</p>

  @ <hr />
  onoff_attribute("Plaintext comments on timelines",
                  "timeline-plaintext", "tpt", 0);
  @ <p>In timeline displays, check-in comments are displayed literally,
  @ without any wiki or HTML interpretation.</p>

  @ <hr />
  onoff_attribute("Use Universal Coordinated Time (UTC)",
                  "timeline-utc", "utc", 1);
  @ <p>Show times as UTC (also sometimes called Greenwich Mean Time (GMT) or
  @ Zulu) instead of in local time.  On this server, local time is currently
  g.fTimeFormat = 2;
  tmDiff = db_double(0.0, "SELECT julianday('now')");