update 3.8.6.3

Author: xotmatrix

gmlscripts38.css

@@ -171,16 +171,22 @@ h1:first-child {
     text-shadow: none;
     width: 192px;
 }
+.border {
+    border: 1px solid #555;
+    border-radius: 5px;
+    padding: 4px;
+}
 .fright {
     float: right;
-    margin-left: 1em;
+    margin: 0 0 0.5em 1em;
 }
 .fleft {
     float: left;
-    margin-right: 1em;
+    margin: 0 1em 0.5em 0;
 }
 .center {
     text-align: center;
+    margin: 0 0 0.5em 0;
 }
 .previous {
     background-color: #F80;

script/boxstep.html

@@ -38,9 +38,11 @@
 <div class="wrapper">
 <main>
 <h1>boxstep</h1>
-<p>The boxstep function is somewhere between <a href="/script/step">step</a> and <a href="/script/smoothstep">smoothstep</a>.
-It is the result of the convolution of a box filter with a step edge.
-The width of the box filter is (b - a) and the slope of the ramp is 1/width.</p>
+<p>The boxstep function is somewhere between <a href="/script/step">step</a> and <a href="/script/smoothstep">smoothstep</a>. It is
+the result of the convolution of a box filter with a step edge. The width
+of the box filter is <script type="math/tex">(b - a)</script> and the slope of the ramp is <script type="math/tex">1/width</script>.
+It can also be thought of as the inverse of linear interpolation, where
+a value inside a range returns a value from 0 to 1.</p>
 <p><img alt="boxstep" src="/images/boxstep.png" title="boxstep" /></p>
 <dl class="script">
 <dt><a href="/script/boxstep">boxstep(a, b, x)</a></dt>