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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=NRV_%28Not_Really_Vanished%29</id>
		<title>NRV (Not Really Vanished) - Revision history</title>
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		<updated>2026-04-12T12:49:18Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=NRV_(Not_Really_Vanished)&amp;diff=43634&amp;oldid=prev</id>
		<title>Jsummers at 20:05, 19 November 2022</title>
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				<updated>2022-11-19T20:05:28Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
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			&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 20:05, 19 November 2022&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&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;'''NRV''' (Not Really Vanished) is a data compression library, and associated demonstration software. It was developed by Markus Oberhumer, as a possible successor to [[LZO]]. It apparently had a file format associated with it.&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;'''NRV''' (Not Really Vanished) is a data compression library, and associated demonstration software. It was developed by Markus Oberhumer, as a possible successor to [[LZO]]. It apparently had a file format associated with it.&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;Despite its name, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;it has &lt;/del&gt;really vanished from the internet. The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;later archives of the NRV &lt;/del&gt;website &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;suggest &lt;/del&gt;it was &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;abandoned &lt;/del&gt;in favor of LZO Professional[http://www.oberhumer.com/products/lzo-professional/].&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;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;A subset of NRV is used in [[UPX]]'s [[UCL]] compression.&lt;/ins&gt;&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;&amp;#160;&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;Despite its name, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the NRV software seems to have &lt;/ins&gt;really vanished from the internet. The website&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[http://www.oberhumer.com/products/nrv/] indicates &lt;/ins&gt;it was &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;discontinued &lt;/ins&gt;in favor of LZO Professional[http://www.oberhumer.com/products/lzo-professional/].&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;== Identification ==&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;== Identification ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=NRV_(Not_Really_Vanished)&amp;diff=40781&amp;oldid=prev</id>
		<title>Jsummers: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Compression |released=~1998 }} '''NRV''' (Not Really Vanished) is a data compression library, and associated demonstration software...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=NRV_(Not_Really_Vanished)&amp;diff=40781&amp;oldid=prev"/>
				<updated>2021-10-02T13:35:39Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Compression |released=~1998 }} &amp;#039;&amp;#039;&amp;#039;NRV&amp;#039;&amp;#039;&amp;#039; (Not Really Vanished) is a data compression library, and associated demonstration software...&amp;quot;&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=Compression&lt;br /&gt;
|released=~1998&lt;br /&gt;
}}&lt;br /&gt;
'''NRV''' (Not Really Vanished) is a data compression library, and associated demonstration software. It was developed by Markus Oberhumer, as a possible successor to [[LZO]]. It apparently had a file format associated with it.&lt;br /&gt;
&lt;br /&gt;
Despite its name, it has really vanished from the internet. The later archives of the NRV website suggest it was abandoned in favor of LZO Professional[http://www.oberhumer.com/products/lzo-professional/].&lt;br /&gt;
&lt;br /&gt;
== Identification ==&lt;br /&gt;
According to [[IDArc]], NRV (demo) files start with bytes {{magic|00 9e 6e 72 76 ff}}.&lt;br /&gt;
&lt;br /&gt;
== Software ==&lt;br /&gt;
We haven't been able to find any NRV software. The demo software was in a file named nrvdemo1.zip.&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [https://web.archive.org/web/20020124151427/http://www.oberhumer.com/mfx/nrv/ NRV website (archived)]&lt;br /&gt;
** [https://web.archive.org/web/20020120142238/http://www.oberhumer.com/mfx/nrv/nrvdoc.php NRV documentation (archived)]&lt;/div&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

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