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		<id>http://wiki.apidesign.org/index.php?action=history&amp;feed=atom&amp;title=Ever_Changing_Targets</id>
		<title>Ever Changing Targets - Revision history</title>
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		<updated>2026-04-29T18:44:04Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.12.0rc1</generator>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=1509&amp;oldid=prev</id>
		<title>JaroslavTulach: /* Have You Ever Wondered...? */</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=1509&amp;oldid=prev"/>
				<updated>2008-10-20T06:51:52Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Have You Ever Wondered...?&lt;/span&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&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&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 06:51, 20 October 2008&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; &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; &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: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Are you afraid of upgrading your favorite application to newer version? I am. Every time I need to upgrade X Window server, I am stressed and ready for problems that almost always appear. Are you asking how this relates to API Design? Easily, the building blocks of our systems which provide some functionality via their APIs (like the X Window server), are expected to evolve and evolve compatibly. It is not hard to produce new version of a framework or library, it is hard to release new version that will remain compatible. This is quite a big difference from in-house software system development and [[Ever Changing Targets|the chapter 4]] discusses its implications and the actions we need to take to resolve them.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Are you afraid of upgrading your favorite application to newer version? I am. Every time I need to upgrade X Window server, I am stressed and ready for problems that almost always appear. Are you asking how this relates to API Design? Easily, the building blocks of our systems which provide some functionality via their APIs (like the X Window server), are expected to evolve and evolve compatibly. It is not hard to produce new version of a framework or library, it is hard to release new version that will remain compatible. This is quite a big difference from in-house software system development and [[Ever Changing Targets|the chapter 4]] discusses its implications and the actions we need to take to resolve them.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&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;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&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;== How Many People Have to Die? ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&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;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&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;{{:LeakingCulturalContext}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>JaroslavTulach</name></author>	</entry>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=1244&amp;oldid=prev</id>
		<title>JaroslavTulach at 21:01, 13 August 2008</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=1244&amp;oldid=prev"/>
				<updated>2008-08-13T21:01:20Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&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&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 21:01, 13 August 2008&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Have You Ever Wondered...? ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Have You Ever Wondered...? ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &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; &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;Are you afraid of upgrading your favorite application to newer version? I am. Every time I need to upgrade X Window server, I am stressed and ready for problems that almost always appear. Are you asking how this relates to API Design? Easily, the building blocks of our systems which provide some functionality via their APIs (like the X Window server), are expected to evolve and evolve compatibly. It is not hard to produce new version of a framework or library, it is hard to release new version that will remain compatible. This is quite a big difference from in-house software system development and &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;this &lt;/del&gt;chapter discusses its implications and the actions we need to take to resolve them.&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;Are you afraid of upgrading your favorite application to newer version? I am. Every time I need to upgrade X Window server, I am stressed and ready for problems that almost always appear. Are you asking how this relates to API Design? Easily, the building blocks of our systems which provide some functionality via their APIs (like the X Window server), are expected to evolve and evolve compatibly. It is not hard to produce new version of a framework or library, it is hard to release new version that will remain compatible. This is quite a big difference from in-house software system development and &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Ever Changing Targets|the &lt;/ins&gt;chapter &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;4]] &lt;/ins&gt;discusses its implications and the actions we need to take to resolve them.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>JaroslavTulach</name></author>	</entry>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=1196&amp;oldid=prev</id>
		<title>JaroslavTulach at 20:04, 2 August 2008</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=1196&amp;oldid=prev"/>
				<updated>2008-08-02T20:04:01Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&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&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 20:04, 2 August 2008&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&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;== Have You Ever Wondered...? ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &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; &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 colspan=&quot;2&quot;&gt;&amp;nbsp;&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;Are you afraid of upgrading your favorite application to newer version? I am. Every time I need to upgrade X Window server, I am stressed and ready for problems that almost always appear. Are you asking how this relates to API Design? Easily, the building blocks of our systems which provide some functionality via their APIs (like the X Window server), are expected to evolve and evolve compatibly. It is not hard to produce new version of a framework or library, it is hard to release new version that will remain compatible. This is quite a big difference from in-house software system development and this chapter discusses its implications and the actions we need to take to resolve them.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>JaroslavTulach</name></author>	</entry>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=842&amp;oldid=prev</id>
		<title>Apidesign: Removing all content from page</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=842&amp;oldid=prev"/>
				<updated>2008-06-14T05:34:21Z</updated>
		
		<summary type="html">&lt;p&gt;Removing all content from page&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&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&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 05:34, 14 June 2008&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&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;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* chapter title: &amp;quot;Ever Changing Targets&amp;quot; =&amp;gt; &amp;quot;Ever-Changing Targets&amp;quot;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &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; &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;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;--[[User:AdamDingle|AdamDingle]] 02:05, 28 March 2008 (UTC)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Apidesign</name></author>	</entry>

	<entry>
		<id>http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=163&amp;oldid=prev</id>
		<title>AdamDingle: New page: * chapter title: &quot;Ever Changing Targets&quot; =&gt; &quot;Ever-Changing Targets&quot;  --~~~~</title>
		<link rel="alternate" type="text/html" href="http://wiki.apidesign.org/index.php?title=Ever_Changing_Targets&amp;diff=163&amp;oldid=prev"/>
				<updated>2008-03-28T02:05:52Z</updated>
		
		<summary type="html">&lt;p&gt;New page: * chapter title: &amp;quot;Ever Changing Targets&amp;quot; =&amp;gt; &amp;quot;Ever-Changing Targets&amp;quot;  --~~~~&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;* chapter title: &amp;quot;Ever Changing Targets&amp;quot; =&amp;gt; &amp;quot;Ever-Changing Targets&amp;quot;&lt;br /&gt;
&lt;br /&gt;
--[[User:AdamDingle|AdamDingle]] 02:05, 28 March 2008 (UTC)&lt;/div&gt;</summary>
		<author><name>AdamDingle</name></author>	</entry>

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