Remove 'radius' from 'spread radius' and mark definition of 'blur radius' as an issue.

Author: fantasai

css3-background/Overview.html

@@ -3724,11 +3724,11 @@ <h3 id=the-box-shadow><span class=secno>6.2. </span>The &lsquo;<a
     the blur radius is zero, the shadow's edge is sharp. Otherwise, the
     larger the value, the more the shadow's edge is blurred. See below.
 
-   <li>The fourth length is a spread radius. Positive values cause the shadow
-    shape to expand in all directions by the specified radius. Negative
-    values cause the shadow shape to contract. See below. <span
-    class=note>Note that for inner shadows, expanding the shadow (creating
-    more shadow area) means contracting the shadow's perimeter shape.</span>
+   <li>The fourth length is a spread. Positive values cause the shadow shape
+    to expand in all directions by the specified radius. Negative values
+    cause the shadow shape to contract. See below. <span class=note>Note that
+    for inner shadows, expanding the shadow (creating more shadow area) means
+    contracting the shadow's perimeter shape.</span>
 
    <li>The color is the color of the shadow.
 
@@ -3754,13 +3754,13 @@ <h3 id=the-box-shadow><span class=secno>6.2. </span>The &lsquo;<a
    class=property>border-image</code></a>&rsquo; does not affect the shape of
    the box-shadow.
 
-  <p>If a spread radius is defined, the shadow is expanded by an outward
-   outset of the specified amount normal to the original shadow perimeter.
-   For corners with a zero border-radius (i.e. where the normal is not
-   defined), the corner remains sharp&#8212;the operation is equivalent to
-   scaling the shadow shape. The UA may approximate the transformed shadow
-   perimeter shape by outsetting (insetting, for inner shadows) the shadow's
-   straight edges by the spread radius and increasing (decreasing, for inner
+  <p>If a spread is defined, the shadow is expanded by an outward outset of
+   the specified amount normal to the original shadow perimeter. For corners
+   with a zero border-radius (i.e. where the normal is not defined), the
+   corner remains sharp&#8212;the operation is equivalent to scaling the
+   shadow shape. The UA may approximate the transformed shadow perimeter
+   shape by outsetting (insetting, for inner shadows) the shadow's straight
+   edges by the spread distance and increasing (decreasing, for inner
    shadows) and flooring at zero the corner radii by the same amount. In
    either case, the effective width and height of the shadow shape is floored
    at zero. (A zero-sized shadow shape would cause an outer shadow to
@@ -3769,12 +3769,13 @@ <h3 id=the-box-shadow><span class=secno>6.2. </span>The &lsquo;<a
   <p>The blur radius is perpendicular to and centered on the shadow's edge
    and defines a gradient color transition ranging from the full shadow color
    at the radius endpoint inside the shadow to fully transparent at the
-   endpoint outside it. The exact algorithm for the blur transition is not
-   specified.
+   endpoint outside it. <span class=issue>Is this the correct definition for
+   blur radius? Also, is there a better term for it?</span> The exact
+   algorithm for the blur transition is not specified.
 
   <div class=example>
-   <p>The example below demonstrates the effects of the spread and blur radii
-    on the shadow:</p>
+   <p>The example below demonstrates the effects of spread and blur on the
+    shadow:</p>
 
    <p class=figure> <img alt="An example of spread and blur on a box with two
     round corners and two square ones" src=spread-blur.png></p>

css3-background/Overview.src.html

@@ -2692,7 +2692,7 @@ <h3 id="the-box-shadow">The 'box-shadow' property</h3>
   Otherwise, the larger the value, the more the shadow's edge is
   blurred. See below.
 
-  <li>The fourth length is a spread radius. Positive values cause
+  <li>The fourth length is a spread. Positive values cause
   the shadow shape to expand in all directions by the specified
   radius. Negative values cause the shadow shape to contract.
   See below.
@@ -2721,14 +2721,14 @@ <h3 id="the-box-shadow">The 'box-shadow' property</h3>
 the shadow shape is rounded in the same way. The 'border-image' does not
 affect the shape of the box-shadow.
 
-<p>If a spread radius is defined, the shadow is expanded by an outward
+<p>If a spread is defined, the shadow is expanded by an outward
 outset of the specified amount normal to the original shadow perimeter.
 For corners with a zero border-radius (i.e. where the normal is not
 defined), the corner remains sharp&#8212;the operation is equivalent to
 scaling the shadow shape.
 The UA may approximate the transformed shadow perimeter shape by
 outsetting (insetting, for inner shadows) the shadow's straight edges
-by the spread radius and increasing (decreasing, for inner shadows)
+by the spread distance and increasing (decreasing, for inner shadows)
 and flooring at zero the corner radii by the same amount. In either
 case, the effective width and height of the shadow shape is floored
 at zero. (A zero-sized shadow shape would cause an outer shadow to
@@ -2737,12 +2737,14 @@ <h3 id="the-box-shadow">The 'box-shadow' property</h3>
 <p>The blur radius is perpendicular to and centered on the shadow's
 edge and defines a gradient color transition ranging from the full
 shadow color at the radius endpoint inside the shadow to
-fully transparent at the endpoint outside it. The exact algorithm
-for the blur transition is not specified.
+fully transparent at the endpoint outside it. <span class="issue">Is
+this the correct definition for blur radius? Also, is there a better
+term for it?</span>
+The exact algorithm for the blur transition is not specified. 
 
 <div class="example">
-<p>The example below demonstrates the effects of the spread and
-blur radii on the shadow:</p>
+<p>The example below demonstrates the effects of spread and blur
+on the shadow:</p>
 <p class="figure">
   <img src="spread-blur.png" alt="An example of spread and blur on a box with two round corners and two square ones">
 </p>