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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=UTF-18</id>
		<title>UTF-18 - Revision history</title>
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		<updated>2026-04-22T13:36:14Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31798&amp;oldid=prev</id>
		<title>Dan Tobias at 02:37, 21 May 2019</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31798&amp;oldid=prev"/>
				<updated>2019-05-21T02:37:13Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
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				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 02:37, 21 May 2019&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|formattype=electronic&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|formattype=electronic&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|subcat=Character encoding&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|subcat=Character encoding&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;|subcat2=Unicode&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|released=2005&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|released=2005&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dan Tobias</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31261&amp;oldid=prev</id>
		<title>Effect2: &quot;UTF-8&quot; -&gt; UTF-9</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31261&amp;oldid=prev"/>
				<updated>2019-04-23T17:23:06Z</updated>
		
		<summary type="html">&lt;p&gt;&amp;quot;UTF-8&amp;quot; -&amp;gt; UTF-9&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 17:23, 23 April 2019&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''UTF-18''' is a [[Unicode]] [[Character Encodings|character encoding]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;8&lt;/del&gt;]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although they are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''UTF-18''' is a [[Unicode]] [[Character Encodings|character encoding]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;9&lt;/ins&gt;]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although they are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Effect2</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31260&amp;oldid=prev</id>
		<title>Effect2: Grammar/wording fix</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31260&amp;oldid=prev"/>
				<updated>2019-04-22T22:15:58Z</updated>
		
		<summary type="html">&lt;p&gt;Grammar/wording fix&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 22:15, 22 April 2019&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''UTF-18''' is a [[Unicode]] [[Character Encodings|character encoding]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-8]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;the encoding &lt;/del&gt;are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''UTF-18''' is a [[Unicode]] [[Character Encodings|character encoding]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-8]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;they &lt;/ins&gt;are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Effect2</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31257&amp;oldid=prev</id>
		<title>Effect2: Grammatical fix</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31257&amp;oldid=prev"/>
				<updated>2019-04-22T18:01:15Z</updated>
		
		<summary type="html">&lt;p&gt;Grammatical fix&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 18:01, 22 April 2019&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''UTF-18''' is a [[Unicode]] [[Character Encodings|character &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;encodings&lt;/del&gt;]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-8]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although the encoding are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''UTF-18''' is a [[Unicode]] [[Character Encodings|character &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;encoding&lt;/ins&gt;]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-8]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although the encoding are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Effect2</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31236&amp;oldid=prev</id>
		<title>Effect2: A slightly modified duplicate of the last one</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=UTF-18&amp;diff=31236&amp;oldid=prev"/>
				<updated>2019-04-22T01:38:35Z</updated>
		
		<summary type="html">&lt;p&gt;A slightly modified duplicate of the last one&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Character encoding&lt;br /&gt;
|released=2005&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
'''UTF-18''' is a [[Unicode]] [[Character Encodings|character encodings]] introduced by the standards document RFC 4042 in 2005. UTF-18 and its sibling [[UTF-8]] allow for efficient coding of Unicode characters on machines based on 36-bit words, using 18 and 9 bits per code point, respectively. Although the encoding are completely valid in a technical sense, they are largely humorous, as virtually all computers designed after the early-mid 1980s use word sizes of powers of two, making these encodings largely obsolete.&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [https://tools.ietf.org/html/rfc4042 RFC 4042]&lt;br /&gt;
* [[Wikipedia:April Fools' Day Request for Comments#2005]]: Very short Wikipedia entry on RFC 4042&lt;br /&gt;
&lt;br /&gt;
[[Category:Humor]]&lt;/div&gt;</summary>
		<author><name>Effect2</name></author>	</entry>

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