[css-inline-3] Require both values for <text-edge> #10703

Author: fantasai

css-inline-3/Overview.bs

@@ -1082,8 +1082,9 @@ Text Edge Metrics: the 'line-fit-edge' property</h3>
 	expands to
 
 	<pre class=prod>
-		<<text-edge>> = [ text | cap | ex | ideographic | ideographic-ink ]
-		              [ text | alphabetic | ideographic | ideographic-ink ]?
+		<<text-edge>> = [ text | ideographic | ideographic-ink ]
+		              | [ text | cap | ex | ideographic | ideographic-ink ]
+		                [ text | alphabetic | ideographic | ideographic-ink ]
 	</pre>
 
 	The first value specifies the text [=over=] edge;
@@ -3069,6 +3070,8 @@ Changes</h2>
 
 	Changes since the <a href="https://www.w3.org/TR/2024/WD-css-inline-3-20240812/">12 August 2024 Working Draft</a>:
 	<ul>
+		<li>Made both values of <<text-edge>> required.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/10703">Issue 10703</a>)
 		<li>Made 'text-box-edge' inherit; 'text-box-trim' references
 			the relevant value applied to the affected line box(es).
 			(<a href="https://github.com/w3c/csswg-drafts/issues/10904">Issue 10904</a>)