Added possible requirement for border-image to be rendered elsewhere

than in the border box.

Author: bert-github

css3-background/Overview.src.html

@@ -1808,6 +1808,11 @@ <h3>The 'border-image' property</h3>
 
 <li>The outside edge of the border image is drawn at the border edge.
 
+<li>It is unknown if it is a requirement that the outer edge of the
+border image can be placed elsewhere than at the border edge &ndash;
+one can probably just move the border edge itself, by giving the box
+more/less padding and margin.
+
 <li>The border image has no influence on the size of the box: the
 margin edge, border edge, padding edge and content edge do not depend
 on it in any way.