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diff --git a/manuals/chickadee/Colors.html b/manuals/chickadee/Colors.html
index a7fc10f..4a361b1 100644
--- a/manuals/chickadee/Colors.html
+++ b/manuals/chickadee/Colors.html
@@ -1,6 +1,6 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
-<!-- Copyright (C) 2017-2021 David Thompson davet@gnu.org
+<!-- Copyright (C) 2017-2023 David Thompson dthompson2@worcester.edu
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
@@ -17,25 +17,25 @@ Foundation Web site at http://www.gnu.org/licenses/fdl.html.
The document was typeset with
http://www.texinfo.org/ (GNU Texinfo).
- -->
-<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ -->
+ -->
+<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ -->
<head>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Colors (The Chickadee Game Toolkit)</title>
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-<link href="Graphics.html" rel="up" title="Graphics">
-<link href="Textures.html" rel="next" title="Textures">
-<link href="Graphics.html" rel="prev" title="Graphics">
+<meta name="description" content="Colors (The Chickadee Game Toolkit)" />
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+<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents" />
+<link href="Graphics.html" rel="up" title="Graphics" />
+<link href="Textures.html" rel="next" title="Textures" />
+<link href="Graphics.html" rel="prev" title="Graphics" />
<style type="text/css">
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blockquote.indentedblock {margin-right: 0em}
div.display {margin-left: 3.2em}
@@ -72,9 +72,9 @@ ul.no-bullet {list-style: none}
}
}
--->
+--&gt;
</style>
-<link rel="stylesheet" type="text/css" href="https://dthompson.us/css/dthompson.css">
+<link rel="stylesheet" type="text/css" href="https://dthompson.us/css/dthompson.css" />
</head>
@@ -84,7 +84,7 @@ ul.no-bullet {list-style: none}
<p>
Next: <a href="Textures.html" accesskey="n" rel="next">Textures</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p>
</div>
-<hr>
+<hr />
<span id="Colors-1"></span><h4 class="subsection">5.3.1 Colors</h4>
<p>Merriam-Webster defines color as &ldquo;a phenomenon of light (such as red,
@@ -106,18 +106,18 @@ depending on what&rsquo;s most convenient. The first is <code>make-color</code>
where you specify each channel exactly as described above. This is
fully opaque magenta:
</p>
-<div class="example">
-<pre class="example">(make-color 1.0 0.0 1.0 1.0)
+<div class="lisp">
+<pre class="lisp"><span class="syntax-open">(</span><span class="syntax-symbol">make-color</span> <span class="syntax-symbol">1.0</span> <span class="syntax-symbol">0.0</span> <span class="syntax-symbol">1.0</span> <span class="syntax-symbol">1.0</span><span class="syntax-close">)</span>
</pre></div>
<p>Many people are used to representing colors as 6 or 8 digit
hexadecimal numbers, so Chickadee also allows that. Here&rsquo;s magenta,
again:
</p>
-<div class="example">
-<pre class="example">(rgba #xFF00FFFF)
-(rgb #xFF00FF) ; equivalent to the above
-</pre></div>
+<div class="lisp">
+<pre class="lisp"><span class="syntax-open">(</span><span class="syntax-symbol">rgba</span> <span class="syntax-symbol">#xFF00FFFF</span><span class="syntax-close">)</span>
+<span class="syntax-open">(</span><span class="syntax-symbol">rgb</span> <span class="syntax-symbol">#xFF00FF</span><span class="syntax-close">)</span> <span class="syntax-comment">; equivalent to the above
+</span></pre></div>
<dl>
<dt id="index-make_002dcolor">Procedure: <strong>make-color</strong> <em>r g b a</em></dt>
@@ -179,11 +179,11 @@ transparent.
<dd><p>Convert the hexadecimal color code in the string <var>s</var> to a color
object. The following string formats are supported:
</p>
-<div class="example">
-<pre class="example">(string-&gt;color &quot;#FF00FFFF&quot;)
-(string-&gt;color &quot;FF00FFFF&quot;)
-(string-&gt;color &quot;#FF00FF&quot;)
-(string-&gt;color &quot;FF00FF&quot;)
+<div class="lisp">
+<pre class="lisp"><span class="syntax-open">(</span><span class="syntax-symbol">string-&gt;color</span> <span class="syntax-string">"#FF00FFFF"</span><span class="syntax-close">)</span>
+<span class="syntax-open">(</span><span class="syntax-symbol">string-&gt;color</span> <span class="syntax-string">"FF00FFFF"</span><span class="syntax-close">)</span>
+<span class="syntax-open">(</span><span class="syntax-symbol">string-&gt;color</span> <span class="syntax-string">"#FF00FF"</span><span class="syntax-close">)</span>
+<span class="syntax-open">(</span><span class="syntax-symbol">string-&gt;color</span> <span class="syntax-string">"FF00FF"</span><span class="syntax-close">)</span>
</pre></div>
</dd></dl>
@@ -365,7 +365,7 @@ factor <var>alpha</var>, a number in the range [0, 1].
<dt id="index-tango_002daluminium_002d6">Variable: <strong>tango-aluminium-6</strong></dt>
</dl>
-<hr>
+<hr />
<div class="header">
<p>
Next: <a href="Textures.html" accesskey="n" rel="next">Textures</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p>