message: Reduce changelog excerpt for webpage and pdf
diff: @@ -7,7 +7,7 @@ sec = 0
  def do_filter(k, v, f, m):
  global sec
  - if sec > 3 or (k == "Header" and v[0] < 3):
  + if sec > 2 or (k == "Header" and v[0] < 3):
  return []
  if k == "Header" and v[0] > 2:
  sec += 1
  