[css-align] Per WG resolution, initial value of *-content behaves like 'stretch'.

Author: tabatkins

css-align/Overview.bs

@@ -566,7 +566,7 @@ Content Distribution: the 'justify-content' and 'align-content' properties</h2>
 			The 'justify-content' property applies along the <a lt="inline axis">inline (row) axis</a>,
 			aligning the <a>grid columns</a>.
 
-			''justify-content/normal'' behaves as ''start''.
+			''justify-content/normal'' behaves as ''stretch''.
 
 			See [[!CSS3-GRID-LAYOUT]] for details.
 	</dl>