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	<id>https://hlkitwiki.wolflair.com//index.php?action=history&amp;feed=atom&amp;title=Optional_Attributes_in_Data_Files</id>
	<title>Optional Attributes in Data Files - Revision history</title>
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	<updated>2026-05-05T15:47:54Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://hlkitwiki.wolflair.com//index.php?title=Optional_Attributes_in_Data_Files&amp;diff=1182&amp;oldid=prev</id>
		<title>Rob at 05:10, 4 December 2008</title>
		<link rel="alternate" type="text/html" href="https://hlkitwiki.wolflair.com//index.php?title=Optional_Attributes_in_Data_Files&amp;diff=1182&amp;oldid=prev"/>
		<updated>2008-12-04T05:10:28Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&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 05:10, 4 December 2008&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-l1&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=&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;{{context|Kit Reference&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|Conventions Used in Reference Section&lt;/del&gt;}}&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;{{context|Kit Reference}}&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;Information that is defined through XML attributes and/or PCDATA blocks is always required by default. The exception is an entry that is specifically designated as optional. If an entry is optional, it will be clearly designated as such within its description, with the text &amp;quot;(Optional)&amp;quot; appearing before the type is given. An optional attribute will always specify the default value that is used if the attribute is left blank. Optional PCDATA blocks are always treated as empty by default.&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;Information that is defined through XML attributes and/or PCDATA blocks is always required by default. The exception is an entry that is specifically designated as optional. If an entry is optional, it will be clearly designated as such within its description, with the text &amp;quot;(Optional)&amp;quot; appearing before the type is given. An optional attribute will always specify the default value that is used if the attribute is left blank. Optional PCDATA blocks are always treated as empty by default.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>Rob</name></author>
	</entry>
	<entry>
		<id>https://hlkitwiki.wolflair.com//index.php?title=Optional_Attributes_in_Data_Files&amp;diff=772&amp;oldid=prev</id>
		<title>Rob: New page: {{context|Kit Reference|Conventions Used in Reference Section}}  Information that is defined through XML attributes and/or PCDATA blocks is always required by default. The exception is an ...</title>
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		<updated>2008-11-23T00:50:59Z</updated>

		<summary type="html">&lt;p&gt;New page: {{context|Kit Reference|Conventions Used in Reference Section}}  Information that is defined through XML attributes and/or PCDATA blocks is always required by default. The exception is an ...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{context|Kit Reference|Conventions Used in Reference Section}}&lt;br /&gt;
&lt;br /&gt;
Information that is defined through XML attributes and/or PCDATA blocks is always required by default. The exception is an entry that is specifically designated as optional. If an entry is optional, it will be clearly designated as such within its description, with the text &amp;quot;(Optional)&amp;quot; appearing before the type is given. An optional attribute will always specify the default value that is used if the attribute is left blank. Optional PCDATA blocks are always treated as empty by default.&lt;/div&gt;</summary>
		<author><name>Rob</name></author>
	</entry>
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