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  1. <?xml version="1.0" encoding="UTF-8"?>
    2. 

  2. <!DOCTYPE html><html lang="ja" xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja">
    3. 

  3.   <head>
    4. 

  4.     <meta charset="UTF-8" />
    5. 

  5.     <title>GenerateTOC</title>
    6. 

  6.     <meta name="author" content="SENOO, Ken" />
    7. 

  7.     <script>
    8. 

  8.       // <![CDATA[
    9. 

  9.       function GenerateTOC() {
    10. 

  10.         /**
    11. 

  11.         ## Policy
    12. 

  12.         1. Get input HTML text
    13. 

  13.         2. Parse HTML text
    14. 

  14.         * Get section>h1-h6
    15. 

  15.         * Insert `<nav><h?>Table of Contents</h?><ol><li></li></ol></nav>` before second section
    16. 

  16.         * Set value to YYYYMMDDThhmm in section>h1-h6 id attribute
    17. 

  17.         */
    18. 

  18. 

  19.         // Get HTML document as DOM
    20. 

  20.         var value = document.getElementById("input").value;
    21. 

  21.         var view  = document.getElementById("view");
    22. 

  22.         view.innerHTML = value;
    23. 

  23.         cleanup_element(view);
    24. 

  24. 

  25.         // Generate TOC
    26. 

  26.         var root = document.getElementById("view");
    27. 

  27. 

  28.         var first_heading = root.querySelectorAll("h1, h2, h3, h4, h5, h6")[1];
    29. 

  29.         first_heading = first_heading.tagName.toLowerCase();
    30. 

  30. 

  31.         var toc = '<nav>\n';
    32. 

  32.         toc += "<"  + first_heading + ">目次";
    33. 

  33.         toc += "</" + first_heading + ">";
    34. 

  34.         nav = create_toc(root.children);
    35. 

  35.         // Remove title headings
    36. 

  36.         nav = nav.replace(/^[\s\S]*?<ol>[\s\S]*?<ol>/, "<ol>");
    37. 

  37.         nav = nav.replace(/\n<\/li>$/, "");  // Delete trailing li
    38. 

  38.         nav = nav.replace(/<\/li>\n<\/ol>$/, "");
    39. 

  39.         toc += nav;
    40. 

  40.         toc += "\n</nav>\n";
    41. 

  41. 

  42.         // Insert nav to source HTML
    43. 

  43.         var nav = document.createElement("nav");
    44. 

  44.         insert = root.querySelectorAll("section")[1];
    45. 

  45.         insert.insertAdjacentHTML("beforeBegin", toc);
    46. 

  46. 

  47.         // Output
    48. 

  48.         document.getElementById("output").textContent = root.innerHTML;
    49. 

  49.         // Preview  result
    50. 

  50.         document.getElementById("view").innerHTML = root.innerHTML;
    51. 

  51.         navigator.clipboard.writeText(root.innerHTML);
    52. 

  52.       }
    53. 

  53. 

  54.       function create_toc(children){
    55. 

  55.         var toc = "";
    56. 

  56.         // Date prefix for YYYYMMDDThhmm format
    57. 

  57.         var date = new Date();
    58. 

  58.         var now = date.toISOString().replace(/-|T.*/g, "");
    59. 

  59.         now += "T" + ( "0"+date.getHours() ).slice(-2) + ( "0"+date.getMinutes() ).slice(-2);
    60. 

  60. 

  61.         for (let node of children){
    62. 

  62.           tag_name = node.tagName.toLowerCase();
    63. 

  63.           if (tag_name.match(/h[1-6]/)){
    64. 

  64.             let id = now + "_" + node.textContent;
    65. 

  65.             id = id.replace(/\s/g, "-");
    66. 

  66. 

  67.             // Remove for escape in id
    68. 

  68.             id = id.replace(/[~^`'"(){}\\|!&<>]/g, "");
    69. 

  69.             var nodeText = escape_html(node.textContent);
    70. 

  70.             toc += '\n<li><a href="#' + id + '">' + nodeText + '</a></li>';
    71. 

  71.             node.id = id;
    72. 

  72.           } else if (tag_name === "section"){
    73. 

  73.             toc += "\n<ol>";
    74. 

  74.             toc += create_toc(node.children);
    75. 

  75.             toc += "\n</ol>\n</li>";
    76. 

  76.           }
    77. 

  77.         }
    78. 

  78. 

  79.         toc = toc.replace(/<\/ol>\n<\/li>\n<ol>\n/g, "");
    80. 

  80.         toc = toc.replace(/<\/li>\n<ol>/g, "\n<ol>");
    81. 

  81.         return toc;
    82. 

  82.       }
    83. 

  83. 

  84.       // 改行除去処理でスキップする要素 (子孫含めスキップされる)
    85. 

  85.       const element_skip_list = {
    86. 

  86.         pre: true,
    87. 

  87.       };
    88. 

  88. 

  89.       // 改行除去処理の対象要素 (子孫含め処理される)
    90. 

  90.       const element_target_flags = {
    91. 

  91.         a: true,
    92. 

  92.         em: true,
    93. 

  93.         strong: true,
    94. 

  94.         p: true,
    95. 

  95.         li: true,
    96. 

  96.         td: true,
    97. 

  97.         h1: true,
    98. 

  98.         h2: true,
    99. 

  99.         h3: true,
    100. 

  100.         h4: true,
    101. 

  101.         h5: true,
    102. 

  102.         h6: true,
    103. 

  103.       };
    104. 

  104. 

  105.       // DOMツリーの各要素から不要な改行/空白を除去
    106. 

  106.       // in_target: 処理対象の要素に入るとtrueになる
    107. 

  107.       // queue: 要素を跨いだ処理の空白で使用する作業用配列
    108. 

  108.       function cleanup_element(element, in_target, queue) {
    109. 

  109.         in_target = in_target || false; // 未指定ならfalse
    110. 

  110.         queue = queue || []; // 未指定なら空配列
    111. 

  111. 

  112.         // 処理対象要素から出た時にqueueを空にする
    113. 

  113.         if (!in_target) {
    114. 

  114.           queue.length = '';
    115. 

  115.         }
    116. 

  116. 

  117.         // 子要素のリストを持たなければスキップ
    118. 

  118.         if (!element.childNodes) { return; }
    119. 

  119. 

  120.         // 直下の子要素を処理
    121. 

  121.         let list = element.childNodes;
    122. 

  122.         for (let i = 0, length = list.length; i < length; i++) {
    123. 

  123.           let child = list[i];
    124. 

  124.           let nodename = child.nodeName.toLowerCase();
    125. 

  125. 

  126.           // 特定の要素(主にpre)をスキップ
    127. 

  127.           if (element_skip_list[nodename] === true) { continue; }
    128. 

  128. 

  129.           // 対象要素又はその子孫なら改行/空白を除去
    130. 

  130.           let next_in_target = (in_target || element_target_flags[nodename] === true);
    131. 

  131.           if  (next_in_target) {
    132. 

  132.             cleanup_node(child, queue);
    133. 

  133.           }
    134. 

  134. 

  135.           // 子孫を処理するため再帰呼び出し
    136. 

  136.           cleanup_element(child, next_in_target, queue);
    137. 

  137. 

  138.           // 子孫要素の最後の「日本語文字」以降の改行/空白を除去
    139. 

  139.           if (!in_target && next_in_target) {
    140. 

  140.             cleanup_queue(queue);
    141. 

  141.           }
    142. 

  142.         }
    143. 

  143.       }
    144. 

  144. 

  145.       // テキストノードから不要な改行/空白を除去
    146. 

  146.       function cleanup_node(node, queue) {
    147. 

  147. 

  148.         // 正規表現のメモ:
    149. 

  149.         // (?:[^\s\d\w]|　)←日本語 (記号含む)
    150. 

  150.         // [^\S　]←改行/空白 (\sから全角スペースを除いた物)
    151. 

  151.         // [^\S\n　]←空白 (\sから全角スペース/改行文字を除いた物)
    152. 

  152.         // [\[\]\(\)\{\}\<\>\|] ←括弧と「|」
    153. 

  153. 

  154.         // テキストノード以外はスキップ
    155. 

  155.         if (node.nodeType !== document.TEXT_NODE) { return; }
    156. 

  156. 

  157.         let text = node.data;
    158. 

  158. 

  159.         // 前要素の末尾が日本語だった場合
    160. 

  160.         if (queue.length > 0) {
    161. 

  161. 

  162.           // 改行/空白だけのテキストノードはqueueに追加 (次に日本語が出現したらまとめて除去)
    163. 

  163.           if (text === '' || /^[^\S　]*$/.test(text)) {
    164. 

  164.             queue.push(node);
    165. 

  165.             return;
    166. 

  166.           }
    167. 

  167. 

  168.           // 日本語又は開き括弧以外の記号が出現したらtrue
    169. 

  169.           let jp_or_paren = /^[^\S　]*(?:[^\s\d\w\[\(\{\<\|]|　)/.test(text);
    170. 

  170. 

  171.           // 前の要素の末尾が閉じ括弧ならtrue
    172. 

  172.           let last_paren = (/[^\S　]*[\]\)\}\>\|][^\S　]*$/.test(queue[0].data));
    173. 

  173. 

  174.           // 日本語又は開き括弧以外の記号が出現したらqueueを使用して最後の日本語より後の改行/空白をまとめて除外
    175. 

  175.           // 閉じ括弧の後に、。が来た場合も除外
    176. 

  176.           if (jp_or_paren && (!last_paren || /^[^\S　]*[、。]/.test(text))) {
    177. 

  177.             cleanup_queue(queue);
    178. 

  178.             text = text.replace(/^[^\S　]*/, "");
    179. 

  179.           } else {
    180. 

  180.             // 上記以外ならqueueを破棄
    181. 

  181.             queue.length = 0;
    182. 

  182.           }
    183. 

  183.         }
    184. 

  184. 

  185.         // 日本語と閉じ括弧以外の記号+改行+後続の空白+開き括弧以外
    186. 

  186.         text = text.replace(/((?:[^\s\d\w\]\)\}\>\|]|　))\n[^\S　]*([^\[\(\{\<\|])/g, "$1$2");
    187. 

  187. 

  188.         // 閉じ括弧以外+改行+後続の空白+日本語と開き括弧以外の記号
    189. 

  189.         text = text.replace(/([^\]\)\}\>\|])\n[^\S　]*((?:[^\s\d\w\[\(\{\<\|]|　))/g, "$1$2");
    190. 

  190. 

  191.         // 括弧+改行+後続の空白+、。
    192. 

  192.         text = text.replace(/([\[\]\(\)\{\}\<\>\|])\n[^\S　]*([、。])/g, "$1$2");
    193. 

  193. 

  194.         if (/(?:[^\s\d\w]|　)[^\S　]*$/.test(text)) {
    195. 

  195.           // 末尾が日本語ならqueueに追加
    196. 

  196.           queue.push(node);
    197. 

  197.         } else {
    198. 

  198.           // 上記以外ならqueueを使用して最後の日本語より後の改行/空白を除去
    199. 

  199.           cleanup_queue(queue);
    200. 

  200.         }
    201. 

  201. 

  202.         node.data = text;
    203. 

  203.       }
    204. 

  204. 

  205.       // queueに溜まったテキストノードから末尾の改行/空白を削除
    206. 

  206.       function cleanup_queue(queue) {
    207. 

  207. 

  208.           // 途中に改行文字を含むか?
    209. 

  209.           let has_break = false;
    210. 

  210.           for (let i = 1, length = queue.length; i < length; i++) { // 0番目は日本語が末尾なので1番目以降を調べる
    211. 

  211.             let text = queue[i].data;
    212. 

  212.             if (/\n/g.test(text)) {
    213. 

  213.               has_break = true;
    214. 

  214.               break;
    215. 

  215.             }
    216. 

  216.           }
    217. 

  217. 

  218.           // 途中に改行を含まないなら削除しない
    219. 

  219.           if (!has_break) {
    220. 

  220.             queue.length = 0;
    221. 

  221.             return;
    222. 

  222.           }
    223. 

  223. 

  224.           for (let i = 0, length = queue.length; i < length; i++) {
    225. 

  225.             let text = queue[i].data;
    226. 

  226.             text = text.replace(/[^\S　]*$/, "");
    227. 

  227.             queue[i].data = text;
    228. 

  228.           }
    229. 

  229.           queue.length = 0;
    230. 

  230.       }
    231. 

  231. 

  232. function escape_html(unsafeText) {
    233. 

  233.   if(typeof unsafeText !== 'string') {
    234. 

  234.     return unsafeText;
    235. 

  235.   }
    236. 

  236.   let escaped = document.createElement('div');
    237. 

  237.   escaped.textContent = unsafeText;
    238. 

  238.   return escaped.innerHTML;
    239. 

  239. }
    240. 

  240.       // ]]>
    241. 

  241.     </script>
    242. 

  242.     <style>
    243. 

  243. /** caption */
    244. 

  244. caption::before {
    245. 

  245.   counter-increment: table;
    246. 

  246.   content: "Table " counter(table) " ";
    247. 

  247. }
    248. 

  248. figure>figcaption::before {
    249. 

  249.   counter-increment: figure;
    250. 

  250.   content: "Figure " counter(heading1) "." counter(figure) " ";
    251. 

  251. }
    252. 

  252. /* subfigureの開始時だけリセット */
    253. 

  253. figure>figure:first-of-type {
    254. 

  254.   counter-reset: subfigure;
    255. 

  255. }
    256. 

  256. /* そのままやると，subfigureの番号が先に登場するのでfigureと番号が不一致 */
    257. 

  257. /* だから，subfigure内ではfigureの番号を増加させ，抜けるときに減らす */
    258. 

  258. figure>figure>figcaption::before {
    259. 

  259.   counter-increment: figure subfigure;
    260. 

  260.   counter-reset: subsubfigure;
    261. 

  261.   content: "Figure " counter(heading1) "." counter(figure) "(" counter(subfigure, lower-alpha) ") ";
    262. 

  262. }
    263. 

  263. /* 増やしたfigureの番号を減らして元に戻す */
    264. 

  264. figure>figure figcaption::after {
    265. 

  265.   content: "";
    266. 

  266.   counter-increment: figure -1;
    267. 

  267. }
    268. 

  268. 

  269. figure pre~figcaption::before,
    270. 

  270. figure figcaption:first-child::before {
    271. 

  271.   counter-increment: listing;
    272. 

  272.   content: "List " counter(heading1) "." counter(listing) " ";
    273. 

  273. }
    274. 

  274. figure blockquote~figcaption::before {
    275. 

  275.   content: "—";
    276. 

  276. }
    277. 

  277. 

  278. /* list */
    279. 

  279. /* listが見出し設定の後にあると見出し番号がリセットされる? */
    280. 

  280. /* ol {                                 */
    281. 

  281. /*   counter-reset: enum;               */
    282. 

  282. /*   list-style-type: none;             */
    283. 

  283. /* }                                    */
    284. 

  284. /* li::before {                         */
    285. 

  285. /*   counter-increment: enum;           */
    286. 

  286. /*   content: counters(enum, ".") ". "; */
    287. 

  287. /* }                                    */
    288. 

  288. ol {
    289. 

  289.   counter-reset: enum1;
    290. 

  290.   padding-left: 1em;
    291. 

  291. }
    292. 

  292. ol>li {
    293. 

  293.   list-style-type: none;
    294. 

  294.   padding-left: 0.5em;
    295. 

  295.   text-indent: -0.5em;
    296. 

  296. }
    297. 

  297. ol>li::before {
    298. 

  298.   counter-increment: enum1;
    299. 

  299.   content: counter(enum1) ". ";
    300. 

  300. }
    301. 

  301. ol>li>ol{
    302. 

  302.   counter-reset: enum2;
    303. 

  303.   padding-left: 1em;
    304. 

  304.   text-indent: -1em;
    305. 

  305. }
    306. 

  306. ol>li>ol>li::before {
    307. 

  307.   counter-increment: enum2;
    308. 

  308.   content: counter(enum1) "." counter(enum2) ". ";
    309. 

  309. }
    310. 

  310. ol>li>ol>li>ol{
    311. 

  311.   counter-reset: enum3;
    312. 

  312.   padding-left: 1em;
    313. 

  313.   text-indent: -1em;
    314. 

  314. }
    315. 

  315. ol>li>ol>li>ol>li::before {
    316. 

  316.   counter-increment: enum3;
    317. 

  317.   content: counter(enum1) "." counter(enum2) "." counter(enum3) ". ";
    318. 

  318. }
    319. 

  319. ol>li>ol>li>ol>li>ol{
    320. 

  320.   counter-reset: enum4;
    321. 

  321.   padding-left: 1em;
    322. 

  322.   text-indent: -1em;
    323. 

  323. }
    324. 

  324. ol>li>ol>li>ol>li>ol>li::before {
    325. 

  325.   counter-increment: enum4;
    326. 

  326.   content: counter(enum1) "." counter(enum2) "." counter(enum3) "." counter(enum4) ". ";
    327. 

  327. }
    328. 

  328. ol>li>ol>li>ol>li>ol>li>ol{
    329. 

  329.   counter-reset: enum5;
    330. 

  330.   padding-left: 1em;
    331. 

  331.   text-indent: -1em;
    332. 

  332. }
    333. 

  333. ol>li>ol>li>ol>li>ol>li>ol>li::before {
    334. 

  334.   counter-increment: enum5;
    335. 

  335.   content: counter(enum1) "." counter(enum2) "." counter(enum3) "." counter(enum4) "." counter(enum5) ". ";
    336. 

  336. }
    337. 

  337. ol>li>ol>li>ol>li>ol>li>ol>li>ol{
    338. 

  338.   counter-reset: enum6;
    339. 

  339.   padding-left: 1em;
    340. 

  340.   text-indent: -1em;
    341. 

  341. }
    342. 

  342. ol>li>ol>li>ol>li>ol>li>ol>li>ol>li::before {
    343. 

  343.   counter-increment: enum6;
    344. 

  344.   content: counter(enum1) "." counter(enum2) "." counter(enum3) "." counter(enum4) "." counter(enum5) "." counter(enum6) ". ";
    345. 

  345. }
    346. 

  346. 

  347. 

  348. /* title */
    349. 

  349. body>h1:first-of-type {
    350. 

  350.   text-align: center;
    351. 

  351.   font-size: xx-large;
    352. 

  352. }
    353. 

  353. 

  354. /* 節番号の設定 */
    355. 

  355. body { counter-reset: heading1; }
    356. 

  356. 

  357. /** article要素の見出しでカウンターをリセット */
    358. 

  358. /* article要素はそんなに入れ子にならないから最上位の見出しだけリセット */
    359. 

  359. article>h1:first-of-type,
    360. 

  360. article>h2:first-of-type,
    361. 

  361. article>h3:first-of-type,
    362. 

  362. article>h4:first-of-type,
    363. 

  363. article>h5:first-of-type,
    364. 

  364. article>h6:first-of-type {
    365. 

  365.   counter-reset: heading1;
    366. 

  366.   font-size: 2.17em;
    367. 

  367. }
    368. 

  368. 

  369. section>h1:first-of-type,
    370. 

  370. section>h2:first-of-type,
    371. 

  371. section>h3:first-of-type,
    372. 

  372. section>h4:first-of-type,
    373. 

  373. section>h5:first-of-type,
    374. 

  374. section>h6:first-of-type {
    375. 

  375.   counter-increment: heading1; counter-reset: heading2 figure table listing;
    376. 

  376.   font-size: 2.0em;
    377. 

  377. }
    378. 

  378. 

  379. section>h1:first-of-type::before,
    380. 

  380. section>h2:first-of-type::before,
    381. 

  381. section>h3:first-of-type::before,
    382. 

  382. section>h4:first-of-type::before,
    383. 

  383. section>h5:first-of-type::before,
    384. 

  384. section>h6:first-of-type::before {
    385. 

  385.   content: counter(heading1) " ";
    386. 

  386. }
    387. 

  387. 

  388. section>section>h1:first-of-type,
    389. 

  389. section>section>h2:first-of-type,
    390. 

  390. section>section>h3:first-of-type,
    391. 

  391. section>section>h4:first-of-type,
    392. 

  392. section>section>h5:first-of-type,
    393. 

  393. section>section>h6:first-of-type {
    394. 

  394.   counter-increment: heading2; counter-reset: heading3;
    395. 

  395.   font-size: 1.83em;
    396. 

  396. }
    397. 

  397. section>section>h1:first-of-type::before,
    398. 

  398. section>section>h2:first-of-type::before,
    399. 

  399. section>section>h3:first-of-type::before,
    400. 

  400. section>section>h4:first-of-type::before,
    401. 

  401. section>section>h5:first-of-type::before,
    402. 

  402. section>section>h6:first-of-type::before {
    403. 

  403.   content: counter(heading1) "." counter(heading2) " ";
    404. 

  404. }
    405. 

  405. 

  406. section>section>section>h1:first-of-type,
    407. 

  407. section>section>section>h2:first-of-type,
    408. 

  408. section>section>section>h3:first-of-type,
    409. 

  409. section>section>section>h4:first-of-type,
    410. 

  410. section>section>section>h5:first-of-type,
    411. 

  411. section>section>section>h6:first-of-type {
    412. 

  412.   counter-increment: heading3; counter-reset: heading4;
    413. 

  413.   font-size: 1.67em;
    414. 

  414. }
    415. 

  415. section>section>section>h1:first-of-type::before,
    416. 

  416. section>section>section>h2:first-of-type::before,
    417. 

  417. section>section>section>h3:first-of-type::before,
    418. 

  418. section>section>section>h4:first-of-type::before,
    419. 

  419. section>section>section>h5:first-of-type::before,
    420. 

  420. section>section>section>h6:first-of-type::before {
    421. 

  421.   content: counter(heading1) "." counter(heading2) "." counter(heading3) " ";
    422. 

  422. }
    423. 

  423. 

  424. section>section>section>section>h1:first-of-type,
    425. 

  425. section>section>section>section>h2:first-of-type,
    426. 

  426. section>section>section>section>h3:first-of-type,
    427. 

  427. section>section>section>section>h4:first-of-type,
    428. 

  428. section>section>section>section>h5:first-of-type,
    429. 

  429. section>section>section>section>h6:first-of-type {
    430. 

  430.   counter-increment: heading4; counter-reset: heading5;
    431. 

  431.   font-size: 1.50em;
    432. 

  432. }
    433. 

  433. section>section>section>section>h1:first-of-type::before,
    434. 

  434. section>section>section>section>h2:first-of-type::before,
    435. 

  435. section>section>section>section>h3:first-of-type::before,
    436. 

  436. section>section>section>section>h4:first-of-type::before,
    437. 

  437. section>section>section>section>h5:first-of-type::before,
    438. 

  438. section>section>section>section>h6:first-of-type::before {
    439. 

  439.   content: counter(heading1) "." counter(heading2) "." counter(heading3) "."
    440. 

  440.            counter(heading4) " ";
    441. 

  441. }
    442. 

  442. 

  443. section>section>section>section>section>h1:first-of-type,
    444. 

  444. section>section>section>section>section>h2:first-of-type,
    445. 

  445. section>section>section>section>section>h3:first-of-type,
    446. 

  446. section>section>section>section>section>h4:first-of-type,
    447. 

  447. section>section>section>section>section>h5:first-of-type,
    448. 

  448. section>section>section>section>section>h6:first-of-type {
    449. 

  449.   counter-increment: heading5; counter-reset: heading6;
    450. 

  450.   font-size: 1.33em;
    451. 

  451. }
    452. 

  452. section>section>section>section>section>h1:first-of-type::before,
    453. 

  453. section>section>section>section>section>h2:first-of-type::before,
    454. 

  454. section>section>section>section>section>h3:first-of-type::before,
    455. 

  455. section>section>section>section>section>h4:first-of-type::before,
    456. 

  456. section>section>section>section>section>h5:first-of-type::before,
    457. 

  457. section>section>section>section>section>h6:first-of-type::before {
    458. 

  458.   content: counter(heading1) "." counter(heading2) "." counter(heading3) "."
    459. 

  459.            counter(heading4) "." counter(heading5) " ";
    460. 

  460. }
    461. 

  461. /** heading6 だけカウンターが増えない？ */
    462. 

  462. section>section>section>section>section>section>h1:first-of-type,
    463. 

  463. section>section>section>section>section>section>h2:first-of-type,
    464. 

  464. section>section>section>section>section>section>h3:first-of-type,
    465. 

  465. section>section>section>section>section>section>h4:first-of-type,
    466. 

  466. section>section>section>section>section>section>h5:first-of-type,
    467. 

  467. section>section>section>section>section>section>h6:first-of-type {
    468. 

  468.   /* 使っていなくてもheading7をリセットしないとheading6が増えないっぽい */
    469. 

  469.   counter-increment: heading6; counter-reset: heading7;
    470. 

  470.   font-size: 1.17em;
    471. 

  471. }
    472. 

  472. section>section>section>section>section>section>h1:first-of-type::before,
    473. 

  473. section>section>section>section>section>section>h2:first-of-type::before,
    474. 

  474. section>section>section>section>section>section>h3:first-of-type::before,
    475. 

  475. section>section>section>section>section>section>h4:first-of-type::before,
    476. 

  476. section>section>section>section>section>section>h5:first-of-type::before,
    477. 

  477. section>section>section>section>section>section>h6:first-of-type::before {
    478. 

  478.   content: counter(heading1) "." counter(heading2) "." counter(heading3) "."
    479. 

  479.            counter(heading4) "." counter(heading5) "." counter(heading6) " ";
    480. 

  480. }
    481. 

  481. 

  482. 

  483. /** Table */
    484. 

  484. table {
    485. 

  485.   border-collapse: collapse;
    486. 

  486.   border: none;
    487. 

  487.   /** centering **/
    488. 

  488.   margin-left: auto;
    489. 

  489.   margin-right: auto;
    490. 

  490.   margin-top: 0.5em;
    491. 

  491.   margin-bottom: 0.5em;
    492. 

  492. }
    493. 

  493. /** Table color **/
    494. 

  494. tbody>tr:nth-of-type(even) {
    495. 

  495.   background: #ffffaa;
    496. 

  496. }
    497. 

  497. thead>tr>th {
    498. 

  498.   background: #ffcc99;
    499. 

  499.   text-align: center;
    500. 

  500.   font-weight: bold
    501. 

  501. }
    502. 

  502. /** Column margin **/
    503. 

  503. td {
    504. 

  504.   padding-left: 0.5em;
    505. 

  505.   padding-right: 0.5em;
    506. 

  506. }
    507. 

  507. /** Table border **/
    508. 

  508. td, th {
    509. 

  509.   border-style: none;
    510. 

  510. }
    511. 

  511. 

  512. thead>tr:first-of-type {
    513. 

  513.   border-top-style: solid;
    514. 

  514.   border-top-width: medium;
    515. 

  515. }
    516. 

  516. thead>tr:last-of-type {
    517. 

  517.   border-bottom-style: solid;
    518. 

  518.   border-bottom-width: thin;
    519. 

  519. }
    520. 

  520. tbody>tr:first-of-type {
    521. 

  521.   border-top-style: solid;
    522. 

  522.   border-top-width: thin;
    523. 

  523. }
    524. 

  524. tbody>tr:last-of-type {
    525. 

  525.   border-bottom-style: solid;
    526. 

  526.   border-bottom-width: medium;
    527. 

  527. }
    528. 

  528. 

  529. th, td {
    530. 

  530.   word-wrap: break-word;
    531. 

  531. }
    532. 

  532. 

  533. /** Cross reference */
    534. 

  534. [href^="#chap:"]::before {
    535. 

  535.   content: "第";
    536. 

  536. }
    537. 

  537. [href^="#chap:"]::after {
    538. 

  538.   content: "章";
    539. 

  539. }
    540. 

  540. [href^="#sec:"]::after, [href^="#sub"]::after {
    541. 

  541.   content: "節";
    542. 

  542. }
    543. 

  543. [href^="#par:"]::after {
    544. 

  544.   content: "段落";
    545. 

  545. }
    546. 

  546. [href^="#enu:"]::before {
    547. 

  547.   content: "項目";
    548. 

  548. }
    549. 

  549. [href^="#eq:"]::before {
    550. 

  550.   content: "式(";
    551. 

  551. }
    552. 

  552. [href^="#eq:"]::after {
    553. 

  553.   content: ")";
    554. 

  554. }
    555. 

  555. [href^="#fig:"]::before {
    556. 

  556.   content: "Figure ";
    557. 

  557. }
    558. 

  558. [href^="#tab:"]::before {
    559. 

  559.   content: "Table ";
    560. 

  560. }
    561. 

  561. [href^="#lis:"]::before {
    562. 

  562.   content: "List ";
    563. 

  563. }
    564. 

  564. 

  565. /** Font */
    566. 

  566. body {
    567. 

  567.   font-family: "TeX Gyre Heros", "FreeSans", "Migu 1P", "TakaoGothic", "VL Gothic", "Yu Gothic", "Meiryo UI", sans-serif;
    568. 

  568. }
    569. 

  569. p {
    570. 

  570.   text-indent: 1em;
    571. 

  571.   word-break: break-all;
    572. 

  572. }
    573. 

  573. h1, h2, h3, h4, h5, h6 {
    574. 

  574.   font-family: "TeX Gyre Heros", "Migu 1P", "TakaoGothic", "VL Gothic", "Yu Gothic", "Meiryo UI", sans-serif;
    575. 

  575.   font-weight: bold;
    576. 

  576.   /* orange */
    577. 

  577.   /* background-color: rgb(100%,80%,0%); */
    578. 

  578.   background-color: #e6e6ff;
    579. 

  579.   margin-top: 0.5em;
    580. 

  580.   margin-bottom: 0.5em;
    581. 

  581. }
    582. 

  582. em, strong {
    583. 

  583.   color: red;
    584. 

  584.   font-weight: bold;
    585. 

  585. }
    586. 

  586. strong {background-color: yellow;}
    587. 

  587. 

  588. /** PC */
    589. 

  589. kbd, code, samp, var {
    590. 

  590.   font-family: "Migu 1M", "Inconsolata", "DejaVu Sans Mono", "Consolas", "TakaoGothic", "VL Gothic", "HGGothicM", "MS Gothic",  monospace;
    591. 

  591.   border-width: thin;
    592. 

  592.   border-style: solid;
    593. 

  593.   border-color: #cccccc;
    594. 

  594.   border-radius: 5px;
    595. 

  595. }
    596. 

  596. kbd {
    597. 

  597.   background-color: #ffe6e6;
    598. 

  598. }
    599. 

  599. code {
    600. 

  600.   background-color: #e6ffe6;
    601. 

  601. }
    602. 

  602. samp {
    603. 

  603.   background-color: #e6e6e6;
    604. 

  604. }
    605. 

  605. var {
    606. 

  606.   background-color: #e6ffff;
    607. 

  607. }
    608. 

  608. pre {
    609. 

  609.   font-family: "Migu 1M", "Inconsolata", "DejaVu Sans Mono", "Consolas", "TakaoGothic", "VL Gothic", "HGGothicM", "MS Gothic",  monospace;
    610. 

  610.   background-color: #ffffe6;
    611. 

  611.   overflow: auto;
    612. 

  612. }
    613. 

  613. 

  614. /** Line number for source code */
    615. 

  615. pre>code, pre>samp {
    616. 

  616.   display: block;
    617. 

  617.   border-style: none;
    618. 

  618.   position: relative;
    619. 

  619.   padding-left: 3em;
    620. 

  620.   overflow-x: auto;
    621. 

  621. }
    622. 

  622. 

  623. pre>code::before, pre>samp::before {
    624. 

  624.   content: "0001000200030004000500060007000800090010001100120013001400150016001700180019002000210022002300240025002600270028002900300031003200330034003500360037003800390040004100420043004400450046004700480049005000510052005300540055005600570058005900600061006200630064006500660067006800690070007100720073007400750076007700780079008000810082008300840085008600870088008900900091009200930094009500960097009800990100";
    625. 

  625.   display: block;
    626. 

  626.   width: 2.4em;
    627. 

  627.   height: 100%;
    628. 

  628.   position: absolute;
    629. 

  629.   left: 0;
    630. 

  630.   white-space: pre-wrap;
    631. 

  631.   word-wrap: break-word;
    632. 

  632.   overflow-wrap: break-word;
    633. 

  633.   word-break: break-all;
    634. 

  634.   overflow-y: hidden;
    635. 

  635.   border-right: 1px solid;
    636. 

  636. }
    637. 

  637. 

  638. /** Blockquote */
    639. 

  639. blockquote {
    640. 

  640.   background-color: #eee;
    641. 

  641.   padding: 1.0em;
    642. 

  642.   padding-left: 3em;
    643. 

  643.   position: relative;
    644. 

  644. }
    645. 

  645. blockquote::before {
    646. 

  646.   content: "“";
    647. 

  647.   font-size: 600%;
    648. 

  648.   line-height: 1em;
    649. 

  649.   font-family: serif;
    650. 

  650.   color: #999;
    651. 

  651.   position: absolute;
    652. 

  652.   left: 0;
    653. 

  653.   top: 0;
    654. 

  654. }
    655. 

  655. blockquote p {
    656. 

  656.   margin: 0;
    657. 

  657. }
    658. 

  658. 

  659. /** Description element */
    660. 

  660. dt {
    661. 

  661.   font-weight: bold;
    662. 

  662.   font-family: sans-serif;
    663. 

  663.   padding-left: 0.5em;
    664. 

  664. }
    665. 

  665. dt, dd {
    666. 

  666.   line-height: 1.5em;
    667. 

  667.   word-wrap: break-word;
    668. 

  668. }
    669. 

  669. 

  670. dt {
    671. 

  671.   float: left;
    672. 

  672.   width: 20%;
    673. 

  673. }
    674. 

  674. dd {
    675. 

  675.   margin-left: 22%;
    676. 

  676. }
    677. 

  677. dd::after {
    678. 

  678.   content: "";
    679. 

  679.   display: block;
    680. 

  680.   clear: both;
    681. 

  681. }
    682. 

  682. 

  683. /** figure */
    684. 

  684. figure {
    685. 

  685.   text-align: center;
    686. 

  686. }
    687. 

  687. 

  688. figure blockquote~figcaption {
    689. 

  689.   text-align: right;
    690. 

  690. }
    691. 

  691. figure blockquote {
    692. 

  692.   text-align: left;
    693. 

  693. }
    694. 

  694. figure pre {
    695. 

  695.   text-align: left;
    696. 

  696. }
    697. 

  697. figure>dl {
    698. 

  698.   border-radius: 0.4em;
    699. 

  699.   border: solid  thin rgb(10%,10%,10%);
    700. 

  700.   background-color: rgb(90%,90%,90%);
    701. 

  701.   text-align: left;
    702. 

  702. }
    703. 

  703. figure>dl>dt {
    704. 

  704.   display: block;
    705. 

  705.   width: 100%;
    706. 

  706.   border-top-left-radius: 0.2em;
    707. 

  707.   border-top-right-radius: 0.2em;
    708. 

  708.   color: white;
    709. 

  709.   background-color: rgb(30%,30%,30%);
    710. 

  710.   box-sizing: border-box;
    711. 

  711. }
    712. 

  712. figure>dl>dd {
    713. 

  713.   padding-left: 0.5em;
    714. 

  714.   margin: auto;
    715. 

  715. }
    716. 

  716. figure>dl>dd:nth-of-type(n+2) {
    717. 

  717.   border-top-style: dashed;
    718. 

  718.   border-top-width: thin;
    719. 

  719. }
    720. 

  720. .column-2 {
    721. 

  721.   width: 45%;
    722. 

  722.   display: inline-block;
    723. 

  723.   vertical-align: bottom;
    724. 

  724.   margin-left: 1em;
    725. 

  725.   margin-right: 1em;
    726. 

  726. }
    727. 

  727. .column-3 {
    728. 

  728.   width: 30%;
    729. 

  729.   display: inline-block;
    730. 

  730.   vertical-align: bottom;
    731. 

  731.   margin-left: 1em;
    732. 

  732.   margin-right: 1em;
    733. 

  733. }
    734. 

  734. .column-4 {
    735. 

  735.   width: 20%;
    736. 

  736.   display: inline-block;
    737. 

  737.   vertical-align: bottom;
    738. 

  738.   margin-left: 1em;
    739. 

  739.   margin-right: 1em;
    740. 

  740. }
    741. 

  741. 

  742. /** Show update date */
    743. 

  743. [data-updated-date]::after {
    744. 

  744.   color: gray;
    745. 

  745.   font-size: 0.5em;
    746. 

  746.   content: " Update: " attr(data-updated-date);
    747. 

  747. }
    748. 

  748. 

  749. 

  750. /** Page style */
    751. 

  751. @page {
    752. 

  752.   margin: 2cm;
    753. 

  753. }
    754. 

  754. 

  755. /** Print style */
    756. 

  756. @media print {
    757. 

  757.   /* ShowerでPDF作成するときにChromiumでtheadが二重に表示される対策 */
    758. 

  758.   thead {
    759. 

  759.     display: table-row-group;
    760. 

  760.   }
    761. 

  761. 

  762.   /* Show URL */
    763. 

  763.   a[href]::after {
    764. 

  764.     content: " (" attr(href) ")";
    765. 

  765.   }
    766. 

  766.   a[href^="#"]::after,
    767. 

  767.   a[href^="javascript"]::after {
    768. 

  768.     content: "";
    769. 

  769.   }
    770. 

  770. }
    771. 

  771. 

  772.     </style>
    773. 

  773.   </head>
    774. 

  774.   <body>
    775. 

  775.     <h1>GenerateTOC</h1>
    776. 

  776.     <main>
    777. 

  777.       <p>XHTML5の文章から<code>section</code>要素を使った<a href="https://www.w3.org/TR/html51/sections.html#headings-and-sections">明示的なセクション</a>見出し（<code>section&gt;h1-h6</code>）を抽出して目次を作成する。紹介記事：<a
    778. 

  778.           href="https://senooken.jp/product/20170506/">GenerateTOC: Generator for Table of Contents from HTML Headings</a>。</p>
    779. 

  779.       <nav>
    780. 

  780.         <h2>Table of Contents</h2>
    781. 

  781.         <ol>
    782. 

  782.           <li><a href="#Input/Output-Form">Input/Output Form</a></li>
    783. 

  783.           <li><a href="#Usage">Usage</a>
    784. 

  784.             <ol>
    785. 

  785.               <li><a href="#Brief">Brief</a></li>
    786. 

  786.               <li><a href="#Details">Details</a></li>
    787. 

  787.             </ol>
    788. 

  788.           </li>
    789. 

  789.           <li><a href="#Sample-Input/Output">Sample Input/Output</a></li>
    790. 

  790.         </ol>
    791. 

  791.       </nav>
    792. 

  792.       <p></p>
    793. 

  793.       <section>
    794. 

  794.         <h1 id="Input/Output-Form">Input/Output Form</h1>
    795. 

  795.         <form>
    796. 

  796.           <fieldset> <legend>Input HTML</legend> <textarea id="input"
    797. 

  797. placeholder="Input here" style="width: 100%; height: 10em;"></textarea> <button
    798. 

  798.               type="button" onclick="GenerateTOC();">Go+Copy</button> </fieldset>
    799. 

  799.         </form>
    800. 

  800.         <form>
    801. 

  801.           <fieldset> <legend>Output HTML</legend> <textarea id="output"
    802. 

  802. placeholder="Output here" style="width: 100%; height: 10em;"></textarea> </fieldset>
    803. 

  803.         </form>
    804. 

  804.         <form>
    805. 

  805.           <fieldset> <legend>Result View</legend> <output id="view"></output> </fieldset>
    806. 

  806.         </form>
    807. 

  807.       </section>
    808. 

  808.       <section>
    809. 

  809.         <h1 id="Usage">Usage</h1>
    810. 

  810.         <section>
    811. 

  811.           <h2 id="Brief">Brief</h2>
    812. 

  812.           <p> </p>
    813. 

  813.           <ol>
    814. 

  814.             <li>［Input HTML］に目次を生成したいHTMLコードを記入する。</li>
    815. 

  815.             <li>［Go+Copy］を押下する。</li>
    816. 

  816.             <li>［Output HTML］に目次とリンクの作成のために見出し要素（<code>h1-h6</code>）の<code>id</code>属性が記入されたHTMLコードが出力されてクリップボードにコピーされる。また、［Result View］に見出し追加後のHTMLコードの描画結果を表示する。</li>
    817. 

  817.           </ol>
    818. 

  818.         </section>
    819. 

  819.         <section>
    820. 

  820.           <h2 id="Details">Details</h2>
    821. 

  821.           <p>入力として，ルートに<code>section</code>要素を持つXHTMLを与える。 </p>
    822. 

  822.           <p>空要素に終端スラッシュがなかったり，XMLで認められない構文を使っているHTMLを使う場合は，事前に例えば以下のサイトでHTMLをXHTMLに変換しておく。 </p>
    823. 

  823.           <blockquote>
    824. 

  824.             <p><a href="http://www.csgnetwork.com/cvthtml2xhtml.html">HTML To XHTML Code Converter</a></p>
    825. 

  825.           </blockquote>
    826. 

  826.           <p>目次には，<code>section</code>要素を使った<strong><a href="https://www.w3.org/TR/html51/sections.html#headings-and-sections">明示的な見出し</a>のみを対象</strong>とする。<code>section</code>要素を使わずに，<code>h1-h6</code>要素を単独で使った<em>暗黙的な見出しは目次の対象外</em>となる。</p>
    827. 

  827.           <figure><figcaption>Sample of Target HTML</figcaption>
    828. 

  828.             <pre><code>&lt;section&gt;
    829. 

  829. 	&lt;h1&gt;Heading 1&lt;/h1&gt;
    830. 

  830. 	&lt;section&gt;
    831. 

  831. 		&lt;h2&gt;Heading 2&lt;/h2&gt;
    832. 

  832. 	&lt;/section&gt;
    833. 

  833. &lt;/section&gt;
    834. 

  834. </code></pre> </figure>
    835. 

  835.           <p></p>
    836. 

  836.           <figure> <figcaption>Sample of non-Target HTML</figcaption>
    837. 

  837.             <pre><code>&lt;h1&gt;Heading 1&lt;/h1&gt;<br />&lt;h2&gt;Heading 2&lt;/h2&gt; </code></pre>
    838. 

  838. </figure><p>目次の生成は，2個目の<code>section</code>要素（<code>section&gt;section</code>）の直前に，見出しへのリンクが付けられた番号付きリスト（<code>ol&gt;li</code>要素）を含む<code>nav</code>要素を挿入することで行う。 </p><figure>
    839. 

  839. <figcaption>Place of Table of Contents</figcaption>
    840. 

  840. <pre><code>&lt;section&gt;
    841. 

  841. 	&lt;h1&gt;Heading 1&lt;/h1&gt;
    842. 

  842. 	&lt;!-- Here is the place table of contents is inserted by nav element. --&gt;
    843. 

  843. 	&lt;section&gt;
    844. 

  844. 		&lt;h2&gt;Heading 2&lt;/h2&gt;
    845. 

  845. 	&lt;/section&gt;
    846. 

  846. &lt;/section&gt;
    847. 

  847. </code></pre>
    848. 

  848. </figure><p></p><p>見出しへのリンクを作るために，<code>section&gt;h1-h6</code>要素の<code>id</code>属性に，実行日時（<code>YYYYMMDDThhmm</code>形式）とテキストの空白をハイフン<code>-</code>に置換した値を<strong>上書き</strong>で設定する。</p>
    849. 

  849.                           <p>Example: <code>&lt;h1&gt;Heading 1&lt;/h1&gt;</code> -&gt; <code>&lt;h1 id="20170506T04:30_Heading-1"&gt;Heading 1&lt;/h1&gt;</code></p>
    850. 

  850.                           <p>その際に，以下の文字はエスケープ処理が難しいので<code>id</code>属性からは削除する。</p>
    851. 

  851.                           <pre><code>~^`'"(){}\\|!&amp;&lt;&gt;</code></pre><p>目次の見出しは最初の目次対象の見出しと同じ<code>h1-h6</code>要素を使い，テキストは<code>Table of Contents</code>となる。</p><p>［Go+Copy］ボタンを押下して何も反応がないときは，HTMLをうまく処理できていない可能性が高い。例えば，ルートの<code>section</code>要素の終了タグを記入し忘れるなど，［Input HTML］に記入したHTMLがXHTMLとして適切かどうか確認したほうがいい。</p><pre><code></code></pre></section></section><section>
    852. 

  852.                         <h1 id="Sample-Input/Output">Sample Input/Output</h1>
    853. 

  853.                         <p> </p>
    854. 

  854.                         <ul>
    855. 

  855.                         </ul>
    856. 

  856.                         <table border="1" style="width: 100%;">
    857. 

  857.                           <caption>Sample Input and Output</caption>
    858. 

  858.                           <thead>
    859. 

  859.                             <tr>
    860. 

  860.                               <th><br />
    861. 

  861.                               </th>
    862. 

  862.                               <th>Input</th>
    863. 

  863.                               <th>Output</th>
    864. 

  864.                             </tr>
    865. 

  865.                           </thead>
    866. 

  866.                           <tbody>
    867. 

  867.                             <tr>
    868. 

  868.                               <td>Source</td>
    869. 

  869.                               <td>
    870. 

  870.                                 <pre><code>&lt;section&gt;
    871. 

  871.   &lt;h1&gt;Title&lt;/h1&gt;<br />  &lt;section&gt;
    872. 

  872.     &lt;h2&gt;Heading 1~^`"'(){}\|!&amp;amp;&amp;lt;&amp;gt;[]=-+*/%;:.,?$#@_&lt;/h2&gt;
    873. 

  873.     &lt;section&gt;
    874. 

  874.       &lt;h3&gt;Heading 1-1&lt;/h3&gt;
    875. 

  875.     &lt;/section&gt;
    876. 

  876.     &lt;section&gt;
    877. 

  877.       &lt;h3&gt;Heading 1-2&lt;/h3&gt;
    878. 

  878.     &lt;/section&gt;
    879. 

  879.   &lt;/section&gt;
    880. 

  880.   &lt;section&gt;
    881. 

  881.     &lt;h2&gt;Heading 2&lt;/h2&gt;
    882. 

  882.   &lt;/section&gt;
    883. 

  883. &lt;/section&gt;</code></pre>
    884. 

  884.             </td>
    885. 

  885.             <td>
    886. 

  886.               <pre><code>&lt;section xmlns="http://www.w3.org/1999/xhtml"&gt;
    887. 

  887.   &lt;h1 id="20170505T0118_Title"&gt;Title&lt;/h1&gt;
    888. 

  888.   &lt;nav&gt;
    889. 

  889. &lt;h2&gt;Table of Contents&lt;/h2&gt;&lt;ol&gt;
    890. 

  890. &lt;li&gt;&lt;a href="#20170505T0118_Heading-1[]=-+*/%;:.,?$#@_"&gt;Heading 1~^`"'(){}\|!&amp;amp;&amp;lt;&amp;gt;[]=-+*/%;:.,?$#@_&lt;/a&gt;
    891. 

  891. &lt;ol&gt;
    892. 

  892. &lt;li&gt;&lt;a href="#20170505T0118_Heading-1-1"&gt;Heading 1-1&lt;/a&gt;&lt;/li&gt;
    893. 

  893. &lt;li&gt;&lt;a href="#20170505T0118_Heading-1-2"&gt;Heading 1-2&lt;/a&gt;&lt;/li&gt;
    894. 

  894. &lt;/ol&gt;
    895. 

  895. &lt;/li&gt;
    896. 

  896. &lt;li&gt;&lt;a href="#20170505T0118_Heading-2"&gt;Heading 2&lt;/a&gt;&lt;/li&gt;
    897. 

  897. &lt;/ol&gt;
    898. 

  898. 

  899. &lt;/nav&gt;
    900. 

  900. &lt;section&gt;
    901. 

  901.     &lt;h2 id="20170505T0118_Heading-1[]=-+*/%;:.,?$#@_"&gt;Heading 1~^`"'(){}\|!&amp;amp;&amp;lt;&amp;gt;[]=-+*/%;:.,?$#@_&lt;/h2&gt;
    902. 

  902.     &lt;section&gt;
    903. 

  903.       &lt;h3 id="20170505T0118_Heading-1-1"&gt;Heading 1-1&lt;/h3&gt;
    904. 

  904.     &lt;/section&gt;
    905. 

  905.     &lt;section&gt;
    906. 

  906.       &lt;h3 id="20170505T0118_Heading-1-2"&gt;Heading 1-2&lt;/h3&gt;
    907. 

  907.     &lt;/section&gt;
    908. 

  908.   &lt;/section&gt;
    909. 

  909.   &lt;section&gt;
    910. 

  910.     &lt;h2 id="20170505T0118_Heading-2"&gt;Heading 2&lt;/h2&gt;
    911. 

  911.   &lt;/section&gt;
    912. 

  912. &lt;/section&gt;</code></pre>
    913. 

  913.             </td>
    914. 

  914.           </tr>
    915. 

  915.           <tr>
    916. 

  916.             <td>View</td>
    917. 

  917.             <td>
    918. 

  918.               <section>
    919. 

  919.                 <h1>Title</h1>
    920. 

  920.                 <section>
    921. 

  921.                   <h2>Heading 1~^`"'(){}\|!&amp;&lt;&gt;[]=-+*/%;:.,?$#@_</h2>
    922. 

  922.                   <section>
    923. 

  923.                     <h3>Heading 1-1</h3>
    924. 

  924.                   </section>
    925. 

  925.                   <section>
    926. 

  926.                     <h3>Heading 1-2</h3>
    927. 

  927.                   </section>
    928. 

  928.                 </section>
    929. 

  929.                 <section>
    930. 

  930.                   <h2>Heading 2</h2>
    931. 

  931.                 </section>
    932. 

  932.               </section>
    933. 

  933.             </td>
    934. 

  934.             <td>
    935. 

  935.               <section xmlns="http://www.w3.org/1999/xhtml">
    936. 

  936.                 <h1 id="20170505T0118_Title">Title</h1>
    937. 

  937.                 <nav>
    938. 

  938.                   <h2>Table of Contents</h2>
    939. 

  939.                   <ol><li><a href="#20170505T0118_Heading-[]=-+*/%;:.,?$#@_">Heading 1~^`"'(){}\|!&amp;&lt;&gt;[]=-+*/%;:.,?$#@_</a>
    940. 

  940.                       <ol><li><a href="#20170505T0118_Heading-1-1">Heading 1-1</a></li><li><a
    941. 

  941. href="#20170505T0118_Heading-1-2">Heading 1-2</a></li></ol>
    942. 

  942.                     </li><li><a href="#20170505T0118_Heading-2">Heading 2</a></li></ol>
    943. 

  943.                 </nav>
    944. 

  944.                 <section>
    945. 

  945.                   <h2 id="20170505T0118_Heading-[]=-+*/%;:.,?$#@_">Heading 1~^`"'(){}\|!&amp;&lt;&gt;[]=-+*/%;:.,?$#@_</h2>
    946. 

  946.                   <section>
    947. 

  947.                     <h3 id="20170505T0118_Heading-1-1">Heading 1-1</h3>
    948. 

  948.                   </section>
    949. 

  949.                   <section>
    950. 

  950.                     <h3 id="20170505T0118_Heading-1-2">Heading 1-2</h3>
    951. 

  951.                   </section>
    952. 

  952.                 </section>
    953. 

  953.                 <section>
    954. 

  954.                   <h2 id="20170505T0118_Heading-2">Heading 2</h2>
    955. 

  955.                 </section>
    956. 

  956.               </section>
    957. 

  957.             </td>
    958. 

  958.           </tr>
    959. 

  959.         </tbody>
    960. 

  960.       </table>
    961. 

  961.       <p></p></section>
    962. 

  962.                       
    963. 

  963.     </main>
    964. 

  964.     <footer>
    965. 

  965.       <p> <small>Author: SENOO, Ken (<a href="https://twitter.com/senopen">@senopen</a>). License: CC0. Created date: <time>2017-05-06.</time></small></p>
    966. 

  966.     </footer>
    967. 

  967. </body>
    968. 

  968. </html>
    969. 

  969.