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-rw-r--r--manuals/chickadee/Basics.html12
1 files changed, 7 insertions, 5 deletions
diff --git a/manuals/chickadee/Basics.html b/manuals/chickadee/Basics.html
index dd3898c..4c2d313 100644
--- a/manuals/chickadee/Basics.html
+++ b/manuals/chickadee/Basics.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 David Thompson davet@gnu.org
+<!-- Copyright (C) 2017, 2018, 2019 David Thompson davet@gnu.org
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
@@ -13,6 +13,8 @@ A copy of the license is also available from the Free Software
Foundation Web site at http://www.gnu.org/licenses/fdl.html.
+* Chickadee: (chickadee). Game programming toolkit for Guile.
+
The document was typeset with
http://www.texinfo.org/ (GNU Texinfo).
-->
@@ -98,9 +100,9 @@ Next: <a href="Vectors.html#Vectors" accesskey="n" rel="next">Vectors</a>, Up: <
<dl>
<dt><a name="index-pi"></a>Variable: <strong>pi</strong></dt>
-<dd><p>An essential constant for all trigonometry. <code>&#x03C0;</code> is the ratio
-of a circle&rsquo;s circumferences to its diameter. Since <code>&#x03C0;</code> is an
-irrational number, the <var>pi</var> in Chickadee is a mere floating point
+<dd><p>An essential constant for all trigonometry. Pi is the ratio of a
+circle&rsquo;s circumferences to its diameter. Since pi is an irrational
+number, the <var>pi</var> in Chickadee is a mere floating point
approximation that is &ldquo;good enough.&rdquo;
</p></dd></dl>
@@ -110,7 +112,7 @@ approximation that is &ldquo;good enough.&rdquo;
</p></dd></dl>
<dl>
-<dt><a name="index-cotan"></a>Procedure: <strong>cotan</strong> <em><var>z</var></em></dt>
+<dt><a name="index-cotan"></a>Procedure: <strong>cotan</strong> <em>z</em></dt>
<dd><p>Return the cotangent of <var>z</var>.
</p></dd></dl>