[css-logical-1] Clarify mapping for border-radius. w3c#3034

Author: fantasai

css-logical-1/Overview.bs

@@ -7,7 +7,7 @@ Work Status: Refining
 Group: csswg
 ED: https://drafts.csswg.org/css-logical-1/
 TR: https://www.w3.org/TR/css-logical-1/
-Previous version: https://www.w3.org/TR/2017/WD-css-logical-1-20170518/
+Previous version: https://www.w3.org/TR/2018/WD-css-logical-1-20180827/
 Editor: Rossen Atanassov, Microsoft, ratan@microsoft.com, w3cid 49885
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Abstract: This module introduces logical properties and values that provide the author with the ability to control layout through logical, rather than physical, direction and dimension mappings. The module defines logical properties and values for the features defined in [[CSS2]]. These properties are writing-mode relative equivalents of their corresponding physical properties.
@@ -678,7 +678,10 @@ the 'border-start-start-radius', 'border-start-end-radius', 'border-end-start-ra
 
   These properties correspond to the
   'border-top-left-radius', 'border-bottom-left-radius', 'border-top-right-radius', and 'border-bottom-right-radius' properties.
-  The mapping depends on the element's 'writing-mode', 'direction', and 'text-orientation'.
+  The mapping depends on the element's 'writing-mode', 'direction', and 'text-orientation',
+  with the first start/end giving the block axis side,
+  and the second the inline-axis side
+  (i.e. patterned as 'border-<var>block</var>-<var>inline</var>-radius').
 
 <h3 id="logical-shorthand-keyword">
 Four-Directional Shorthand Properties: the 'margin', 'padding', 'border-width', 'border-style', and 'border-color' shorthands</h3>
@@ -756,11 +759,9 @@ Four-Directional Shorthand Properties: the 'margin', 'padding', 'border-width',
 <h2 id="changes">
 Changes</h2>
 
-  Changes since the previous Working Draft include:
+  Changes since the <a href="https://www.w3.org/TR/2018/WD-css-logical-1-20180827/">previous Working Draft</a> include:
   <ul>
-    <li>Removing the features for logical background and border-images.
-        (These ideas may be revisited in a future draft.)
-    <li>Adding the logical 'border-radius' longhands.
+    <li>Miscellaneous minor clarifications
   </ul>
 
   Changes between the earlier Editors Drafts and the <a href="https://www.w3.org/TR/2017/WD-css-logical-1-20170518/">18 May 2017 First Public Working Draft</a> include: