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	<id>https://wiki.ornithemc.net/index.php?action=history&amp;feed=atom&amp;title=Sparrow</id>
	<title>Sparrow - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.ornithemc.net/index.php?action=history&amp;feed=atom&amp;title=Sparrow"/>
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	<updated>2026-04-29T03:14:24Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.45.1</generator>
	<entry>
		<id>https://wiki.ornithemc.net/index.php?title=Sparrow&amp;diff=48&amp;oldid=prev</id>
		<title>Space Walker: add note on &#039;remove&#039; mode</title>
		<link rel="alternate" type="text/html" href="https://wiki.ornithemc.net/index.php?title=Sparrow&amp;diff=48&amp;oldid=prev"/>
		<updated>2025-08-13T09:09:04Z</updated>

		<summary type="html">&lt;p&gt;add note on &amp;#039;remove&amp;#039; mode&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:09, 13 August 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot;&gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;class name&amp;lt;/code&amp;gt;: the internal name of the class.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;class name&amp;lt;/code&amp;gt;: the internal name of the class.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;class signature&amp;lt;/code&amp;gt;: the generic type signature of the class (optional).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;class &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;type &lt;/ins&gt;signature&amp;lt;/code&amp;gt;: the generic type signature of the class (optional).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;member name&amp;lt;/code&amp;gt;: the name of the field or method.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;member name&amp;lt;/code&amp;gt;: the name of the field or method.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;member type descriptor&amp;lt;/code&amp;gt;: the type descriptor of the field or method.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;code&amp;gt;member type descriptor&amp;lt;/code&amp;gt;: the type descriptor of the field or method.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l25&quot;&gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The file format does not support generic type signatures for local variables.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The file format does not support generic type signatures for local variables.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &amp;lt;code&amp;gt;class type signature&amp;lt;/code&amp;gt; and &amp;lt;code&amp;gt;member type signature&amp;lt;/code&amp;gt; values can be set to &amp;lt;code&amp;gt;.&amp;lt;/code&amp;gt; to signal that the generic type signature should be removed from that class or class member respectively.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:Mod Development]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category:Mod Development]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-47:rev-48:php=table --&gt;
&lt;/table&gt;</summary>
		<author><name>Space Walker</name></author>
	</entry>
	<entry>
		<id>https://wiki.ornithemc.net/index.php?title=Sparrow&amp;diff=47&amp;oldid=prev</id>
		<title>Space Walker: create Sparrow page</title>
		<link rel="alternate" type="text/html" href="https://wiki.ornithemc.net/index.php?title=Sparrow&amp;diff=47&amp;oldid=prev"/>
		<updated>2025-08-13T08:10:02Z</updated>

		<summary type="html">&lt;p&gt;create Sparrow page&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Sparrow is Ornithe&amp;#039;s generics patch. It is used to modify generic type signatures in Java class files.&lt;br /&gt;
&lt;br /&gt;
See [[Signature Changer]] for information on generic type signatures and how these patches are applied.&lt;br /&gt;
&lt;br /&gt;
=== Relevance ===&lt;br /&gt;
&lt;br /&gt;
Most Minecraft versions before 1.8.2 Pre-release 5 had the generic type signatures stripped from the jar. Sparrow was created in an effort to reconstruct what the original generics would have been in the source code.&lt;br /&gt;
&lt;br /&gt;
=== File Specification ===&lt;br /&gt;
&lt;br /&gt;
The &amp;lt;code&amp;gt;.sigs&amp;lt;/code&amp;gt; file format was originally created by [https://github.com/Gaming32 Gaming32]. &amp;lt;code&amp;gt;.sigs&amp;lt;/code&amp;gt; files are &amp;lt;code&amp;gt;UTF-8&amp;lt;/code&amp;gt; encoded text files. A line has the following format.&lt;br /&gt;
&lt;br /&gt;
 &amp;lt;class name&amp;gt;	[&amp;lt;class signature&amp;gt;]&lt;br /&gt;
 	&amp;lt;member name&amp;gt;	&amp;lt;member type descriptor&amp;gt;	&amp;lt;member signature&amp;gt;&lt;br /&gt;
 	...&lt;br /&gt;
 ...&lt;br /&gt;
&lt;br /&gt;
* &amp;lt;code&amp;gt;class name&amp;lt;/code&amp;gt;: the internal name of the class.&lt;br /&gt;
* &amp;lt;code&amp;gt;class signature&amp;lt;/code&amp;gt;: the generic type signature of the class (optional).&lt;br /&gt;
* &amp;lt;code&amp;gt;member name&amp;lt;/code&amp;gt;: the name of the field or method.&lt;br /&gt;
* &amp;lt;code&amp;gt;member type descriptor&amp;lt;/code&amp;gt;: the type descriptor of the field or method.&lt;br /&gt;
* &amp;lt;code&amp;gt;member signature&amp;lt;/code&amp;gt;: the generic type signature of the field or method.&lt;br /&gt;
&lt;br /&gt;
==== Notes ====&lt;br /&gt;
&lt;br /&gt;
The file format does not support generic type signatures for local variables.&lt;br /&gt;
&lt;br /&gt;
[[category:Mod Development]]&lt;/div&gt;</summary>
		<author><name>Space Walker</name></author>
	</entry>
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