add margin=0 for w3c#675

Author: astearns

css-shapes-1/Overview.bs

@@ -751,7 +751,7 @@ Shapes from Box Values</h2>
 	The corner radii of this shape are determined
 	by the corresponding border-radius and margin values.
 	If the ratio of <code>border-radius/margin</code> is 1 or more, 
-	or margin is negative, 
+	or margin is negative or zero, 
 	then the margin box corner radius is
 	<code>max(border-radius + margin, 0)</code>.
 	If the ratio of <code>border-radius/margin</code> is less than 1,

css-shapes-1/issues-cr-20141015.txt

@@ -66,11 +66,11 @@ Response: https://github.com/w3c/csswg-drafts/issues/2301#issuecomment-418583325
 Closed:   Accepted
 ----
 Issue 10.
-Summary:  
-From:     
-Comment:  
-Response: 
-Closed:   
+Summary:  [css-shapes-1] No definition for arguments to polygon()
+From:     Fantasai
+Comment:  https://github.com/w3c/csswg-drafts/issues/1271
+Response: https://github.com/w3c/csswg-drafts/issues/1271#issuecomment-542407652
+Closed:   Invalid
 ----
 Issue 11.
 Summary: