docs: def get_timetable_html (self, module):
          """ TWINSの表に教室情報を追加したHTMLを返す。"""
          if not module.startswith("春") and \
             not module.startswith("秋"):
              raise RequestError()
          module_code, gakkiKbnCode = {
                                        "春A": (1, "A"),
                                        "春B": (2, "A"),
                                        "春C": (3, "A"),
                                        "秋A": (4, "B"),
                                        "秋B": (5, "B"),
                                        "秋C": (6, "B")
                                      }.get(module)
  
          self.req("RSW0001000-flow")
          r = self.get({
                         "_eventId":   "search",
                         "moduleCode": module_code,
                         "gakkiKbnCode": gakkiKbnCode
                      })
          html = r.text[r.text.find("<!-- ===== 全体テーブル(開始) ===== -->"):
                        r.text.find("<!-- ===== 全体テーブル(終了) ===== -->")]
  
          # 要らないところを削る
          for x in ["集中講義を登録", "未登録",
                    "春A", "春B", "春C", "秋A", "秋B", "秋C", "夏休", "春休"]:
              html = html.replace(x, "")
  
          # 教室情報を追加する
          for c in self.get_registered_courses():
              if c["room"] != "":
                  room = "(<span class='room'>%s</span>)" % c["room"]
              else:
                  room = ""
              html = html.replace(c["id"], c["id"] + "</a><br>" + room)
  
          # 色を変える
          for from_, to in (("#dddddd", "#deded9"), ("#ffcc99", "#c4efff"),
                            ("#00bfff", "#fefefe")):
              html = html.replace(from_, to)
          return """
  <!DOCTYPE html>
  <head>
  <meta charset="utf-8">
  <title>時間割 (%(module)s)</title>
  <style>
  body { font-family: sans-serif; background: #fff; color: #343434; }
  a{ color: #3f3f3f; text-decoration: none; }
  .rishu-etc-head, .rishu-koma-head { background: #6a8cc7; }
  </style>
  </head><body>
  <h2>%(module)s 時間割</h2>
  %(html)s
  </body></html>
  """ % locals()