Remove unnecessary variable declaration in 'line join shape' algorithm.
--- a/master/painting.html Tue May 22 11:29:41 2012 +1000
+++ b/master/painting.html Tue May 22 11:38:26 2012 +1000
@@ -1134,7 +1134,6 @@
and which has <var>P</var><sub>1</sub> and <var>P</var><sub>2</sub> as the two endpoints of the arc.</li>
<li>Let <var>θ</var> be the angle between <var>A</var> and <var>B</var>.</li>
- <li>Let <var>miterlength</var> be <a>'stroke-width'</a> / sin(<var>θ</var> / 2).</li>
<li>If <a>'stroke-linejoin'</a> is <span class="prop-value">miter</span> and 1 / sin(<var>θ</var> / 2) ≤ <a>'stroke-miterlimit'</a>, then
return the union of <var>bevel</var> and the triangle formed from the three points <var>P</var><sub>1</sub>, <var>P</var><sub>2</sub> and <var>P</var><sub>3</sub>.</li>