<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><section><h1>意味</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="20" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[20]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">章節</anchor>、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Webサイトの見出し</anchor>も参照。</p></section><section><h1>歴史</h1><section><h1>現・<code class="HTMLe" xml:lang="en">head</code> 要素としての <code class="HTMLe" xml:lang="en">header</code> 要素 (HTML1)</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="12" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[12]</anchor-end> <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>は、最初 <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>の意味で提案されていましたが、
すぐに <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code> に改名されました (<code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code> の歴史の項を参照)。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end>
かなり早い時期に改名されたにもかかわらず、
<code class="HTMLe">header</code> タグが <code class="HTMLe"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code>
タグの代わりに使われている例、最近の文書でもなぜかしばしば見かけます。
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Web Applications 1.0</anchor>, 違う意味に流用しちゃって大丈夫なんでしょうか?
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor> [sage] <weak xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">2005-06-26 08:36:33 +00:00</weak>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end>
<cite>PMosaic Documentation</cite> (<code>2007-01-21 16:37:08 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://gpg.com/pmosaic/docs/pmosaic-docs.html#gerdhtml">http://gpg.com/pmosaic/docs/pmosaic-docs.html#gerdhtml</anchor-external>
に示された例文<pre class="HTML invalid example code">&lt;HTML&gt;
&lt;HEADER&gt;
&lt;TITLE&gt;Sample use of Gerdsooz&lt;/TITLE&gt;
&lt;/HEADER&gt;</pre></p><p>(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end>
<cite></cite> (<code>1995-02-15 01:06:12 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://gpg.com/MERC/art/vowels.isi">http://gpg.com/MERC/art/vowels.isi</anchor-external></p><pre class="HTML invalid example code">&lt;HTML&gt;
&lt;HEADER&gt;
&lt;TITLE&gt;Sample Arabic Text&lt;/TITLE&gt;
&lt;BODY&gt;
&lt;PRE&gt;</pre><p>(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end>
<cite>lang:html &lt;header(\s|&gt;) - Google Code Search</cite> (<code>2007-03-25 14:25:58 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://www.google.com/codesearch?q=+lang:html+%3Cheader(%5Cs%7C%3E)">http://www.google.com/codesearch?q=+lang:html+%3Cheader(%5Cs%7C%3E)</anchor-external></p><p>多いのか少ないのか微妙。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="13" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[13]</anchor-end> <anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;5</anchor-internal> これから <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> as in <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML5</anchor> が普及したら結果がわからなくなるから、
スナップショットを撮っといたよー。</p><p><cite xml:lang="en">Entries Associated with <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://www.google.com/codesearch?q=+lang:html+%3Cheader(%5Cs%7C%3E)">http://www.google.com/codesearch?q=+lang:html+%3Cheader(%5Cs%7C%3E)</anchor-external></cite> (<time>2009-05-24 09:57:41 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://suika.suikawiki.org/gate/2007/schema/schema/list/uri.html?http://www.google.com/codesearch?q=+lang:html+%253Cheader(%255Cs%257C%253E)">http://suika.suikawiki.org/gate/2007/schema/schema/list/uri.html?http://www.google.com/codesearch?q=+lang:html+%253Cheader(%255Cs%257C%253E)</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end>
<cite>A Beginner's Guide to HTML</cite> (<code>2003-08-15 22:48:58 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://ccat.sas.upenn.edu/jod/primer.html">http://ccat.sas.upenn.edu/jod/primer.html</anchor-external></p><p><code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> を使っている。これがいつのかはわからないが、</p><p><cite>HTML入門 (1995/6/1 編集)</cite> (<code>1997-12-24 11:02:35 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://web.archive.org/web/19980131092758/ringo.sfc.keio.ac.jp/otherdocuments/html.html">http://web.archive.org/web/19980131092758/ringo.sfc.keio.ac.jp/otherdocuments/html.html</anchor-external></p><p>という1995年の日本語訳でも <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> が使われている。</p><p>訳の方では <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> も <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code> も登場していない例文が、原文の方では
<code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code> を使っているのにも注目。
(つまり原文の方が日付が新しい。)
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="7" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[7]</anchor-end>
<anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;6</anchor-internal> 原文の <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code> が追加されている方の日付は1995年4月になっている。。。</p><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="33" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[33]</anchor-end> <cite>KNR-online</cite>, <time>2025-11-24T04:23:26.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://web.archive.org/web/20001211135600id_/http://www.knr.gl/dansk.htm">https://web.archive.org/web/20001211135600id_/http://www.knr.gl/dansk.htm</anchor-external></figcaption><blockquote><pre>&lt;!-- This document was created with HomeSite 2.5 --&gt;
&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 3.2 Final//EN&quot;&gt;
&lt;html&gt;
&lt;HEADER&gt;

&lt;head&gt;
&lt;title&gt;KNR-online&lt;/title&gt;
&lt;meta HTTP-EQUIV=&quot;Content-Type&quot; CONTENT=&quot;text/html; charset=iso-8859-1&quot;&gt;
&lt;meta NAME=&quot;Ilánguak Olsen&quot; CONTENT=&quot;KNR-Online, Dansk&quot;&gt;
&lt;meta NAME=&quot;GENERATOR&quot; CONTENT=&quot;Microsoft FrontPage 4.0&quot;&gt;
&lt;style TYPE=&quot;text/css&quot; TITLE=&quot;Lyse farver&quot;&gt;
	H1 { font-size: 24pt; font-family: Arial; font-weight: bold; line-height: 2pt; color: #E92414 }
	&lt;/style&gt;
&lt;/HEADER&gt;
&lt;/head&gt;

&lt;body BGCOLOR=&quot;#9FFFB0&quot; TEXT=&quot;000080&quot; LINK=&quot;0000FF&quot; VLINK=&quot;521864&quot; ALINK=&quot;808000&quot;&gt;</pre></blockquote></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="34" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[34]</anchor-end> <cite>null</cite>, <time>2025-11-24T04:25:08.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://web.archive.org/web/20010121130400id_/http://www.knr.gl/aboutknr/medarb.htm">https://web.archive.org/web/20010121130400id_/http://www.knr.gl/aboutknr/medarb.htm</anchor-external></p><blockquote><pre>&lt;!-- This document was created with HomeSite 2.5 --&gt;
&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 3.2 Final//EN&quot;&gt;
&lt;html&gt;
&lt;HEADER&gt;

&lt;head&gt;
&lt;title&gt;Adresse og telefonbog&lt;/title&gt;
&lt;meta HTTP-EQUIV=&quot;Content-Type&quot; CONTENT=&quot;text/html; charset=iso-8859-1&quot;&gt;
&lt;meta NAME=&quot;Ilánguak Olsen&quot; CONTENT=&quot;KNR, Adresse og telefonbog&quot;&gt;
&lt;meta NAME=&quot;GENERATOR&quot; CONTENT=&quot;Microsoft FrontPage 4.0&quot;&gt;
&lt;style TYPE=&quot;text/css&quot; TITLE=&quot;Lyse farver&quot;&gt;
	H1 { font-size: 24pt; font-family: Arial; font-weight: bold; line-height: 2pt; color: #E92414 }
	&lt;/style&gt;
&lt;/head&gt;

&lt;frameset FRAMESPACING=&quot;0&quot; FRAMEBORDER=&quot;YES&quot; BORDERCOLOR=&quot;#1A4675&quot; rows=&quot;35%,*&quot;&gt;</pre></blockquote><blockquote><pre>  eller &lt;a HREF=&quot;http://www.microsoft.com&quot;&gt;Microsoft&lt;/a&gt; &lt;!-- eller se menuen uden frames &lt;A HREF=&quot;dkmenu.htm&quot;&gt;her&lt;/A&gt;. --&gt; &lt;/p&gt;
  &lt;/body&gt;
&lt;/HEADER&gt;
  &lt;/noframes&gt;
&lt;/frameset&gt;

&lt;frameset&gt;
&lt;/frameset&gt;
&lt;/html&gt;</pre></blockquote></section><section><h1>よくわからない用例</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end>
<cite>PMosaic Documentation</cite> (<time>2007-01-21 16:37:08 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://gpg.com/pmosaic/docs/pmosaic-docs.html">http://gpg.com/pmosaic/docs/pmosaic-docs.html</anchor-external></p><pre class="HTML invalid example code">&lt;HTML VERSION=&quot;2.0&quot;&gt;
&lt;HEAD&gt;
&lt;!-- WEBMAGIC VERSION NUMBER=&quot;1.0&quot; --&gt;
&lt;!-- WEBMAGIC TRANSLATION NAME=&quot;ServerRoot&quot; SRC=&quot;/hd2/www/htdocs/&quot; DST=&quot;/&quot; --&gt;
&lt;!-- WEBMAGIC TRANSLATION NAME=&quot;ProjectRoot&quot; SRC=&quot;/hd2/src/htdocs/&quot; DST=&quot;/&quot; --&gt;
&lt;TITLE&gt;PMosaic Documentation&lt;/TITLE&gt;
&lt;/HEAD&gt;
&lt;BODY&gt;
&lt;P&gt;
&lt;P&gt;&lt;HEADER&gt;&lt;/HEADER&gt;
&lt;H1&gt;PMosaic Documentation&lt;/H1&gt;
&lt;HR&gt;</pre><p><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;3</anchor-internal> と同じ文書からです。何らかの自動整形が <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> as <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">head</anchor></code>
に対応してなくて壊しちゃったのでしょうか。</p></section><section><h1>現・<code class="HTMLe" xml:lang="en">hgroup</code> 要素としての <code class="HTMLe" xml:lang="en">header</code> 要素 (Web Applications 1.0)</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="14" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[14]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Web Applications 1.0</anchor>/<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML5</anchor> では <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>が定義されましたが、
当初その意味は現在の <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">hgroup</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>に相当するものでした。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="27" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[27]</anchor-end> <cite xml:lang="en-GB-hixie">Web Applications 1.0</cite>, <time>2024-09-01T08:44:52.000Z</time>, <time>2004-12-10T06:02:35.522Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://web.archive.org/web/20041210054847/http://www.whatwg.org/specs/web-apps/current-work/#specific">https://web.archive.org/web/20041210054847/http://www.whatwg.org/specs/web-apps/current-work/#specific</anchor-external></p><figure class="data"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="104" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[104]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML要素概説</anchor></figcaption><dl><dt><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素名</f></dt><dd><code>header</code></dd><dt>日付</dt><dd><time>2004-09-23</time></dd><dt>説明</dt><dd>
<time>2004-09-23</time>版
<cite xml:lang="en-GB-hixie">Web Applications 1.0</cite>
に
<code>header</code>
がある。
現在の 
<code>hgroup</code> に当たる。</dd><dt>出典</dt><dd><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li>
<cite xml:lang="en-GB-hixie">Web Applications 1.0</cite>, 
<data itemprop="author"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">WHATWG</anchor></data>,
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Ian Hickson</anchor>,
<data itemprop="status"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Working Draft</anchor></data>,
<time itemprop="published">8 December 2004<attrvalue xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:">2004-12-08</attrvalue></time>,
<time>2024-09-01T08:36:36.000Z</time>, <time>2004-12-10T05:54:20.058Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://web.archive.org/web/20041210054847/http://www.whatwg.org/specs/web-apps/current-work/">https://web.archive.org/web/20041210054847/http://www.whatwg.org/specs/web-apps/current-work/</anchor-external></li></ul></refs></dd></dl></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="16" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[16]</anchor-end> 2009年4月に旧 <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> は <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">hgroup</anchor></code> に改名され、
新たに別の <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> が導入されました。</p><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:">改名の議論<ul xmlns="http://www.w3.org/1999/xhtml"><li><cite>IRC logs: freenode / #whatwg / 20090327</cite> (<time>2009-05-21 22:33:25 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://krijnhoetmer.nl/irc-logs/whatwg/20090327">http://krijnhoetmer.nl/irc-logs/whatwg/20090327</anchor-external></li><li><cite>IRC logs: freenode / #whatwg / 20090331</cite> (<time>2009-06-07 11:12:08 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://krijnhoetmer.nl/irc-logs/whatwg/20090331">http://krijnhoetmer.nl/irc-logs/whatwg/20090331</anchor-external></li><li><cite>IRC logs: freenode / #whatwg / 20090407</cite> (<time>2009-06-19 08:14:07 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://krijnhoetmer.nl/irc-logs/whatwg/20090407#l-465">http://krijnhoetmer.nl/irc-logs/whatwg/20090407#l-465</anchor-external></li><li><cite>IRC logs: freenode / #whatwg / 20090430</cite> (<time>2009-08-03 07:48:22 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://krijnhoetmer.nl/irc-logs/whatwg/20090430">http://krijnhoetmer.nl/irc-logs/whatwg/20090430</anchor-external></li></ul></comment-p><ul><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="28" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[28]</anchor-end> <cite xml:lang="en"><strong>[</strong>ac<strong>]</strong> (0) Rename &lt;header&gt; to &lt;hgroup&gt; and restrict it just to supporti…</cite>, <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Hixie</anchor>, <time>2009-05-01 02:37:30 +09:00</time>, <time>2024-09-04T13:47:48.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/7e9b2d1b87f50e2da6d6a8cb8fe2d6fcbae6cae4">https://github.com/whatwg/html/commit/7e9b2d1b87f50e2da6d6a8cb8fe2d6fcbae6cae4</anchor-external></li></ul><figure class="data"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="29" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[29]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML要素概説</anchor></figcaption><dl><dt><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素名</f></dt><dd><code>header</code></dd><dt><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素名</f></dt><dd><code>hgroup</code></dd><dt>日付</dt><dd><time>2009-04-30T02:37:30+09:00</time>,</dd><dt>説明</dt><dd>
<time>2009-04-30</time>、
<cite>HTML5</cite>
の
<code>header</code>
は
<code>hgroup</code>
に改称された。
現行仕様である。</dd><dt>出典</dt><dd><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li>
<cite>HTML5 r3039</cite>,
<data itemprop="author"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Hixie</anchor></data>, 
<time itemprop="published">2009-05-01 02:37:30 +09:00</time>, <time>2024-09-04T13:47:48.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/7e9b2d1b87f50e2da6d6a8cb8fe2d6fcbae6cae4">https://github.com/whatwg/html/commit/7e9b2d1b87f50e2da6d6a8cb8fe2d6fcbae6cae4</anchor-external></li></ul></refs></dd></dl></figure><comment-p xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="15" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[15]</anchor-end> <code xmlns="http://www.w3.org/1999/xhtml" class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">hgroup</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>の意味や改名後の歴史については <code xmlns="http://www.w3.org/1999/xhtml" class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">hgroup</anchor></code> 
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>の項を参照してください。</comment-p><section><h1><code class="HTMLe" xml:lang="en">header</code> 要素 (現・ <code class="HTMLe" xml:lang="en">hgroup</code> 要素) に関する記事</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[8]</anchor-end>
<cite>TRANS - h1要素の話とHTML5のheader要素とかの話について</cite> (<code>2007-07-12 09:36:05 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://d.hatena.ne.jp/aratako0/20070706/p1">http://d.hatena.ne.jp/aratako0/20070706/p1</anchor-external>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[9]</anchor-end>
<cite xml:lang="ja">h1とかheaderとか|junk diary</cite> (<code>2007-07-11 23:44:25 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://blog.2inc.org/2007/07/h1header.html">http://blog.2inc.org/2007/07/h1header.html</anchor-external>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="10" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[10]</anchor-end>
<cite>TRANS - Re: h1とかheaderとか</cite> (<code>2007-07-12 09:36:05 +09:00</code> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://d.hatena.ne.jp/aratako0/20070709/p1">http://d.hatena.ne.jp/aratako0/20070709/p1</anchor-external>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名無しさん</anchor>)</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="11" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[11]</anchor-end>
<anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;8</anchor-internal>-10 何の話をしているのかよくわかりません。
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML 5</anchor> の <code class="HTMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">header</anchor></code> の意味は
(今のところ) 仕様書に書いてある通りのことだけでしょうに。</p></section></section><section><h1><code class="HTMLe" xml:lang="en">header</code> 要素 (HTML5)</h1><figure class="data"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="216" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[216]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML要素概説</anchor></figcaption><dl><dt><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素名</f></dt><dd><code>prologue</code></dd><dt><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素名</f></dt><dd><code>epilogue</code></dd><dt>日付</dt><dd><time>1994-04-05</time></dd><dt>説明</dt><dd>
<time>1994-04-05</time>版 <cite>HTML+</cite> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">DTD</anchor>
に、
<code>prologue</code>,
<code>epilogue</code>
がある。
<src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:">HTML+19940405</src>
現在の 
<code>header</code>,
<code>footer</code>
に近いが、
<code>body</code>
の最初と最後に1つずつ配置できる。</dd></dl></figure><ul><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="30" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[30]</anchor-end> 
<cite xml:lang="en"><strong>[</strong>ac<strong>]</strong> (0) Introduce a new &lt;header&gt; element.</cite>, <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Hixie</anchor>, <time>2009-05-01 03:07:19 +09:00</time>, <time>2024-09-04T13:50:48.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/a729fd0c57b9a8cc7ed783a03e72cfc74549c9db">https://github.com/whatwg/html/commit/a729fd0c57b9a8cc7ed783a03e72cfc74549c9db</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="31" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[31]</anchor-end> 
<cite xml:lang="en"><strong>[</strong>e<strong>]</strong> (0) Clarify &lt;header&gt;/&lt;hgroup&gt; etc.</cite>, <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Hixie</anchor>, <time>2009-05-01 03:39:50 +09:00</time>, <time>2024-09-04T13:51:05.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/b3e77f6f1a15c5cc7fedc9e16b4a480426b2e07e">https://github.com/whatwg/html/commit/b3e77f6f1a15c5cc7fedc9e16b4a480426b2e07e</anchor-external></li></ul><figure class="data"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="32" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[32]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">HTML要素概説</anchor></figcaption><dl><dt><f xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素名</f></dt><dd><code>header</code></dd><dt>日付</dt><dd><time>2009-04-30T03:07:19+09:00</time>,</dd><dt>説明</dt><dd>
<time>2009-04-30</time>、
<cite>HTML5</cite>
に
<code>header</code>
が追加された。
現行仕様である。</dd><dt>出典</dt><dd><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li>
<cite>HTML5 r3040</cite>,
<data itemprop="author"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Hixie</anchor></data>, 
<time itemprop="published">2009-05-01 03:07:19 +09:00</time>, <time>2024-09-04T13:50:48.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/a729fd0c57b9a8cc7ed783a03e72cfc74549c9db">https://github.com/whatwg/html/commit/a729fd0c57b9a8cc7ed783a03e72cfc74549c9db</anchor-external></li></ul></refs></dd></dl></figure><ed xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:">・・・・</ed><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="17" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[17]</anchor-end> <cite xml:lang="en">(X)HTML5 Tracking</cite>
(<time>2009-08-22 16:03:59 +09:00</time> 版)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://html5.org/tools/web-apps-tracker?from=3039&amp;to=3040">http://html5.org/tools/web-apps-tracker?from=3039&amp;to=3040</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="18" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[18]</anchor-end> <cite xml:lang="en">(X)HTML5 Tracking</cite>
(<time>2009-08-22 16:04:50 +09:00</time> 版)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://html5.org/tools/web-apps-tracker?from=3038&amp;to=3039">http://html5.org/tools/web-apps-tracker?from=3038&amp;to=3039</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="19" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[19]</anchor-end> <cite><strong></strong>[<strong></strong>whatwg<strong></strong>]<strong></strong> Elements to markup article headings</cite>
( (<time>2012-07-10 06:01:38 +09:00</time> 版))
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-July/036578.html">http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-July/036578.html</anchor-external></p><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="21" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[21]</anchor-end> <cite xml:lang="ja">ココナラ - あなたの得意でハッピーが広がるワンコインマーケット</cite>
(<time>2015-12-31 14:39:28 +09:00</time> 版)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://coconala.com/">https://coconala.com/</anchor-external></figcaption><blockquote><p>&lt;header id=&quot;mainHeader&quot;&gt;</p><p>&lt;div class=&quot;line&quot;&gt;&amp;nbsp;&lt;/div&gt;</p><p>&lt;div class=&quot;inner&quot;&gt;</p><p>&lt;div id=&quot;logo&quot;&gt;</p><p>&lt;img src=&quot;/images/before_login/logo.png&quot; alt=&quot;ココナラ - あなたの得意でハッピーが広がるワンコインマーケット&quot;&gt;</p><p>&lt;/div&gt;</p><p>&lt;div class=&quot;rightArea&quot;&gt;</p><p>&lt;div id=&quot;facebookLike&quot;&gt;&lt;/div&gt;</p><p>&lt;a href=&quot;/pages/about&quot; onClick=&quot;_gaq.push(['_trackEvent','top','click','header_pages_about']);&quot;&gt;&amp;gt;&amp;gt;初めての方へ&lt;/a&gt;</p><p>&lt;a href=&quot;/login&quot; onClick=&quot;_gaq.push(['_trackEvent','top','click','header_login']);&quot;&gt;&amp;gt;&amp;gt;ログイン&lt;/a&gt;</p><p>&lt;/div&gt;</p><p>&lt;/div&gt;</p><p>&lt;/header&gt;</p></blockquote></figure><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="22" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[22]</anchor-end> <cite xml:lang="ja">【今日は何の日?】あこぎという駅が開業 | 乗りものニュース</cite>
(<time>2015-12-31 15:07:25 +09:00</time> 版)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://trafficnews.jp/post/47402/">http://trafficnews.jp/post/47402/</anchor-external></figcaption><blockquote><p>&lt;header&gt;</p><p>&lt;div id=&quot;logo&quot; class=&quot;header-wrapper&quot;&gt;</p><p>&lt;h1&gt;&lt;a href=&quot;http://trafficnews.jp/&quot;&gt;&lt;img src=&quot;http://trafficnews.jp/app/wp-content/themes/pc_v2/common/img/logo.png&quot; alt=&quot;乗りものニュース&quot;&gt;&lt;/a&gt;&lt;/h1&gt;</p><p>&lt;/div&gt;</p><p>&lt;nav class=&quot;header-list-category&quot;&gt;</p></blockquote></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="23" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[23]</anchor-end> <cite xml:lang="en">Restrict the main element to be used once per document</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">annevk</anchor>著, <time>2018-01-23 17:10:16 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/whatwg/html/commit/1dec930b3df93c799d5f3f685a46940913476086">https://github.com/whatwg/html/commit/1dec930b3df93c799d5f3f685a46940913476086</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="24" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[24]</anchor-end> <cite xml:lang="en">Should header, footer have &quot;Use WAI-ARIA mapping&quot; when scoped to the body element? · Issue #119 · w3c/html-aam</cite>
(<time>2018-02-07 13:32:29 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/w3c/html-aam/issues/119">https://github.com/w3c/html-aam/issues/119</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="25" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[25]</anchor-end> <cite xml:lang="en">leverage CORE mappings / issue #119</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">jasonkiss</anchor>著, <time>2018-02-07 07:29:32 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/w3c/html-aam/commit/a1a661d9874e2674cd99b7dda1cf6962dc91df1b">https://github.com/w3c/html-aam/commit/a1a661d9874e2674cd99b7dda1cf6962dc91df1b</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="26" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[26]</anchor-end> <cite xml:lang="en">Should header, footer have &quot;Use WAI-ARIA mapping&quot; when scoped to the body element? · Issue #119 · w3c/html-aam</cite>
(<time>2018-05-08 21:22:44 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/w3c/html-aam/issues/119">https://github.com/w3c/html-aam/issues/119</anchor-external></p></section></section></body></html>