[css-anchor-position-1] Remove anchor-center from align/justify-items #13514

Author: fantasai

css-anchor-position-1/Overview.bs

@@ -1338,7 +1338,7 @@ Centering on the Anchor: the ''anchor-center'' alignment value {#anchor-center}
 --------------------------------------------------------------
 
 <pre class=propdef>
-Name: justify-self, align-self, justify-items, align-items
+Name: justify-self, align-self
 New Values: anchor-center
 </pre>
 
@@ -1351,7 +1351,7 @@ but a common case for anchored positioning--
 centering over the [=anchor box=]--
 requires careful and somewhat complex set-up to achieve.
 
-The new <dfn value for="justify-self, align-self, justify-items, align-items">anchor-center</dfn> value
+The new <dfn value for="justify-self, align-self">anchor-center</dfn> value
 makes this case extremely simple:
 if the positioned box has a [=default anchor box=],
 then it is centered (insofar as possible)
@@ -2699,6 +2699,8 @@ Changes {#changes}
 Significant changes since the <a href="https://www.w3.org/TR/2026/WD-css-anchor-position-1-20260130/">30 January 2026 Working Draft</a>:
 * Mark 'position-area' as discretely animatable.
 	(<a href="https://github.com/w3c/csswg-drafts/issues/13577">Issue 13577</a>)
+* Remove ''anchor-center'' from 'align-items' and 'justify-items' because those properties have no effect on absolutely-positioned boxes anyway.
+	(<a href="https://github.com/w3c/csswg-drafts/issues/13514">Issue 13514</a>)
 
 Significant changes since the <a href="https://www.w3.org/TR/2025/WD-css-anchor-position-1-20251222/">22 December 2025 Working Draft</a>: