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<!DOCTYPE html SYSTEM "unknown-external-subset-dtd.dtd"> |
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> |
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<head> |
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<title>Unknown HTML Character Entity Reference, |
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with Custom External Subset</title> |
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</head> |
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<body> |
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<h1>Unknown HTML Character Entity Reference, with Custom External Subset</h1> |
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|
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<p>Note: An external subset entity referenced from this document |
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by <code>SYSTEM</code> identifier declares the <code>unknown</code> |
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general entity.</p> |
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|
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<h2>Test</h2> |
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|
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<dl id="test-list"> |
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<dt><code>&unknown;</code> is rendered as</dt><dd>&unknown;</dd> |
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<dt><code>&#xA9;</code> is rendered as</dt><dd>©</dd> |
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</dl> |
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|
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<p>The <code>innerHTML</code> of the list above is:</p> |
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<pre id="test-source"></pre> |
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<p>About the first <code>dd</code> element:</p> |
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<ul id="test-nodes"> |
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<li>[There is no child.]</li> |
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</ul> |
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|
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<script type="text/javascript"> |
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var list = document.getElementById ('test-list'); |
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document.getElementById ('test-source').appendChild |
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(document.createTextNode (list.innerHTML)); |
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|
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var listc = list.getElementsByTagName ('dd')[0].childNodes; |
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var ul = document.getElementById ('test-nodes'); |
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if (listc.length > 0) { |
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ul.textContent = ""; |
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ul.innerText = ""; |
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} |
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for (var i = 0; listc.length > i; i++) { |
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var listcn = listc[i]; |
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var li = document.createElementNS ("http://www.w3.org/1999/xhtml", 'li'); |
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li.appendChild (document.createTextNode |
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(i + "th child is of type |" + listcn.nodeType + |
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"| with name |" + listcn.nodeName + "|, value |" + |
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listcn.nodeValue + "|.")); |
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ul.appendChild (li); |
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} |
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</script> |
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|
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<h2>Expected Result</h2> |
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|
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<dl> |
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<dt><a href="http://www.w3.org/TR/2002/REC-xhtml1-20020801/#uaconf">Conforming XHTML 1.0 User Agent</a></dt> |
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<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> |
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<dd>The character reference (later) is treated as a |
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<code>COPYRIGHT SIGN</code>.</dd> |
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<dd>A user agent that reads external entities will treat |
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the entity reference (former) as a <code>COPYRIGHT SIGN</code>.</dd> |
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<dd>A user agent that does not read the external entity in which |
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the entity declaration for the general entity <code>unknown</code> |
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will render it as a sequence of nine characters: |
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<code>&unknown;</code>.</dd> |
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</dl> |
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|
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<h2>Discussion</h2> |
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|
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<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> |
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|
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</body> |
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</html> |
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