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	<id>https://whystartat.xyz/index.php?action=history&amp;feed=atom&amp;title=Circumflex_to_Distinguish_Variable_Names</id>
	<title>Circumflex to Distinguish Variable Names - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://whystartat.xyz/index.php?action=history&amp;feed=atom&amp;title=Circumflex_to_Distinguish_Variable_Names"/>
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	<updated>2026-05-04T19:52:41Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://whystartat.xyz/index.php?title=Circumflex_to_Distinguish_Variable_Names&amp;diff=234&amp;oldid=prev</id>
		<title>Hpecora1: Added common readings of diacritical marks.</title>
		<link rel="alternate" type="text/html" href="https://whystartat.xyz/index.php?title=Circumflex_to_Distinguish_Variable_Names&amp;diff=234&amp;oldid=prev"/>
		<updated>2021-07-12T16:40:42Z</updated>

		<summary type="html">&lt;p&gt;Added common readings of diacritical marks.&lt;/p&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 17:40, 12 July 2021&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-l2&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=&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:Variable Names]]&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:Variable Names]]&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; 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;Some authors create new variable names by adorning well-known symbols (like \( A \)) with the upright (\( \hat{A} \)) and inverted (\( \check{A} \)) circumflex.  Depending on the font, these tiny diacritical marks can be hard to discern at a glance.  A particularly egregious example is found in Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5).&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;Some authors create new variable names by adorning well-known symbols (like \( A \)) with the upright (\( \hat{A} \))&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, read “A hat”, &lt;/ins&gt;and inverted (\( \check{A} \)) circumflex&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, read as “A check”&lt;/ins&gt;.  Depending on the font, these tiny diacritical marks can be hard to discern at a glance.  A particularly egregious example is found in Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5).&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;[[File:Hinze2012 adjunctions circumflex.png|frame|center|Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5) creates two new variable names by adorning the letter A with upright and inverted circumflex symbols.]]&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;[[File:Hinze2012 adjunctions circumflex.png|frame|center|Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5) creates two new variable names by adorning the letter A with upright and inverted circumflex symbols.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Hpecora1</name></author>
	</entry>
	<entry>
		<id>https://whystartat.xyz/index.php?title=Circumflex_to_Distinguish_Variable_Names&amp;diff=225&amp;oldid=prev</id>
		<title>Benrbray: introduce variable name category</title>
		<link rel="alternate" type="text/html" href="https://whystartat.xyz/index.php?title=Circumflex_to_Distinguish_Variable_Names&amp;diff=225&amp;oldid=prev"/>
		<updated>2021-07-12T16:03:23Z</updated>

		<summary type="html">&lt;p&gt;introduce variable name category&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 17:03, 12 July 2021&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;&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:Unpleasantness]]&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:Unpleasantness]]&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;[[Category:Variable Names]]&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;Some authors create new variable names by adorning well-known symbols (like \( A \)) with the upright (\( \hat{A} \)) and inverted (\( \check{A} \)) circumflex.  Depending on the font, these tiny diacritical marks can be hard to discern at a glance.  A particularly egregious example is found in Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5).&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;Some authors create new variable names by adorning well-known symbols (like \( A \)) with the upright (\( \hat{A} \)) and inverted (\( \check{A} \)) circumflex.  Depending on the font, these tiny diacritical marks can be hard to discern at a glance.  A particularly egregious example is found in Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5).&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;[[File:Hinze2012 adjunctions circumflex.png|frame|center|Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5) creates two new variable names by adorning the letter A with upright and inverted circumflex symbols.]]&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;[[File:Hinze2012 adjunctions circumflex.png|frame|center|Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5) creates two new variable names by adorning the letter A with upright and inverted circumflex symbols.]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Benrbray</name></author>
	</entry>
	<entry>
		<id>https://whystartat.xyz/index.php?title=Circumflex_to_Distinguish_Variable_Names&amp;diff=224&amp;oldid=prev</id>
		<title>Benrbray: Introduce the upright and inverted circumflex convention, with an example.</title>
		<link rel="alternate" type="text/html" href="https://whystartat.xyz/index.php?title=Circumflex_to_Distinguish_Variable_Names&amp;diff=224&amp;oldid=prev"/>
		<updated>2021-07-12T16:01:13Z</updated>

		<summary type="html">&lt;p&gt;Introduce the upright and inverted circumflex convention, with an example.&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Unpleasantness]]&lt;br /&gt;
&lt;br /&gt;
Some authors create new variable names by adorning well-known symbols (like \( A \)) with the upright (\( \hat{A} \)) and inverted (\( \check{A} \)) circumflex.  Depending on the font, these tiny diacritical marks can be hard to discern at a glance.  A particularly egregious example is found in Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5).&lt;br /&gt;
&lt;br /&gt;
[[File:Hinze2012 adjunctions circumflex.png|frame|center|Hinze 2012, [http://www.cs.ox.ac.uk/ralf.hinze/LN.pdf &amp;quot;Generic Programming with Adjunctions&amp;quot;] (p. 5) creates two new variable names by adorning the letter A with upright and inverted circumflex symbols.]]&lt;/div&gt;</summary>
		<author><name>Benrbray</name></author>
	</entry>
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