html/entref/unknown-xhtml10-strict.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>Unknown HTML Character Entity Reference,
with XHTML 1.0 Strict DOCTYPE Declaration</title>
</head>
<body>
<h1>Unknown HTML Character Entity Reference, with XHTML 1.0 Strict
<code>DOCTYPE</code> Declaration</h1>


<h2>Test</h2>

<dl id="test-list">
<dt><code>&amp;unknown;</code> is rendered as</dt><dd>&unknown;</dd>
<dt><code>&amp;#xA9;</code> is rendered as</dt><dd>&#xA9;</dd>
</dl>

<p>The <code>innerHTML</code> of the list above is:</p>
<pre id="test-source"></pre>
<script type="text/javascript">
document.getElementById ('test-source').appendChild
  (document.createTextNode (document.getElementById ('test-list').innerHTML));
</script>

<h2>Expected Result</h2>

<dl>
<dt><a href="http://www.w3.org/TR/2002/REC-xhtml1-20020801/#uaconf">Conforming XHTML 1.0 User Agent</a></dt>
<dt><a href="http://www.w3.org/TR/2001/REC-xhtml-modularization-20010410/conformance.html#s_conform_user_agent">Conforming XHTML Family User Agent</a></dt>
        <dd>The character reference (later) is treated as a
        <code>COPYRIGHT SIGN</code>.</dd>
        <dd>A validating user agent will report a validity error
        since the <code>unknown</code> entity is not declared.</dd>
        <dd>A non-validating user agent will render the general
        entity reference (former) as a sequence of nine characters:
        <code>&amp;unknown;</code>.</dd>
</dl>

<h2>Discussion</h2>

<p>See a <a href="http://suika.fam.cx/gate/2005/sw/">SuikaWiki</a> article on <a href="http://suika.fam.cx/gate/2005/sw/XHTML/%E5%AE%9F%E4%BD%93%E5%8F%82%E7%85%A7">entity references in XHTML documents</a>.</p>

</body>
</html>
1	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
3	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
4	<head>
5	<title>Unknown HTML Character Entity Reference,
6	with XHTML 1.0 Strict DOCTYPE Declaration</title>
7	</head>
8	<body>
9	<h1>Unknown HTML Character Entity Reference, with XHTML 1.0 Strict
10	<code>DOCTYPE</code> Declaration</h1>
11
12
13	<h2>Test</h2>
14
15	<dl id="test-list">
16	<dt><code>&unknown;</code> is rendered as</dt><dd>&unknown;</dd>
17	<dt><code>&#xA9;</code> is rendered as</dt><dd>©</dd>
18	</dl>
19
20	<p>The <code>innerHTML</code> of the list above is:</p>
21	<pre id="test-source"></pre>
22	<script type="text/javascript">
23	document.getElementById ('test-source').appendChild
24	(document.createTextNode (document.getElementById ('test-list').innerHTML));
25	</script>
26
27	<h2>Expected Result</h2>
28
29	<dl>
30	<dt><a href="http://www.w3.org/TR/2002/REC-xhtml1-20020801/#uaconf">Conforming XHTML 1.0 User Agent</a></dt>
31	<dt><a href="http://www.w3.org/TR/2001/REC-xhtml-modularization-20010410/conformance.html#s_conform_user_agent">Conforming XHTML Family User Agent</a></dt>
32	<dd>The character reference (later) is treated as a
33	<code>COPYRIGHT SIGN</code>.</dd>
34	<dd>A validating user agent will report a validity error
35	since the <code>unknown</code> entity is not declared.</dd>
36	<dd>A non-validating user agent will render the general
37	entity reference (former) as a sequence of nine characters:
38	<code>&unknown;</code>.</dd>
39	</dl>
40
41	<h2>Discussion</h2>
42
43	<p>See a <a href="http://suika.fam.cx/gate/2005/sw/">SuikaWiki</a> article on <a href="http://suika.fam.cx/gate/2005/sw/XHTML/%E5%AE%9F%E4%BD%93%E5%8F%82%E7%85%A7">entity references in XHTML documents</a>.</p>
44
45	</body>
46	</html>