[css-backgrounds-4] Fixed initial value of 'border-limit' w3c#7367

Author: SebastianZ

css-backgrounds-4/Overview.bs

@@ -411,7 +411,7 @@ Partial Borders: the 'border-limit' property</h3>
 		Name: border-limit
 		Value: all | [ sides | corners ] <<length-percentage [0,&infin;]>>?
 					| [ top | right | bottom | left ] <<length-percentage [0,&infin;]>>
-		Initial: round
+		Initial: all
 		Applies to: all elements, except table element when 'border-collapse' is ''collapse''
 		Inherited: no
 		Percentages: relative to border-box
@@ -423,6 +423,8 @@ Partial Borders: the 'border-limit' property</h3>
 		the length or percentage specifies how much.
 
 	<dl dfn-type="value" dfn-for="border-limit">
+		<dt><dfn>''all''</dfn>
+			<dd>The entire border is drawn.
 		<dt><dfn>''sides''</dfn>
 			<dd>The sides are drawn up to but not including the corners (as defined
 			by the border radii). A length or percentage is measured from the center