[css-anchor-position-1][editorial] clean up markup/linking

Author: tabatkins

css-anchor-position-1/Overview.bs

@@ -21,13 +21,16 @@ Ignored Terms: cssText, transitions
 spec:css-backgrounds-3; type:property; text:border-color
 spec:css-break-4; type:dfn; text:fragment
 spec:css-conditional-5; type:dfn; text:container query
-spec:css-display-3; type:dfn; text:element
+spec:css-display-3; type:dfn;
+	text:element
+	text:invisible
 spec:css-position-3;
 	type:dfn; text:inset-modified containing block
 	type:property; text:inset-inline-start
 spec:css-cascade-5; type:dfn; text:property
 spec:dom; type:dfn; text:shadow tree
 spec:css-align-3; type:value; text:center
+spec:css-values-5; type:dfn; text:invalid at computed-value time
 </pre>
 
 <pre class=anchors>
@@ -2521,7 +2524,7 @@ Changes {#changes}
 =======
 
 Significant changes since the <a href="https://www.w3.org/TR/2024/WD-css-anchor-position-1-20241004/">4 March October 2024 Working Draft</a>:
-* Switched the center track for 'position-area' to default to 'align-self/center'' alignment.
+* Switched the center track for 'position-area' to default to ''align-self/center'' alignment.
 	(<a href="https://github.com/w3c/csswg-drafts/issues/11803">Issue 11803</a>)
 * Defined the [=implicit anchor element=] of [=pseudo-elements=] to be their [=originating element=].
 	(<a href="https://github.com/w3c/csswg-drafts/issues/11792">Issue 11792</a>)
@@ -2540,8 +2543,8 @@ Significant changes since the <a href="https://www.w3.org/TR/2024/WD-css-anchor-
 	(<a href="https://github.com/w3c/csswg-drafts/issues/11372">Issue 11372</a>,
 	<a href="https://github.com/w3c/csswg-drafts/issues/11371">Issue 11371</a>)
 * Defined that 'anchor-scope' idents are [=tree-scoped names=] (and thus compare specially with [=anchor names=]).
-    (<a href="https://github.com/w3c/csswg-drafts/issues/10525">Issue 10525</a>,
-    <a href="https://github.com/w3c/csswg-drafts/issues/10526">Issue 10526</a>)
+	(<a href="https://github.com/w3c/csswg-drafts/issues/10525">Issue 10525</a>,
+	<a href="https://github.com/w3c/csswg-drafts/issues/10526">Issue 10526</a>)
 * Clarified that the [=computed value=] of 'position-area' does not distinguish long and short forms of logical keywords.
 	(<a href="https://github.com/w3c/csswg-drafts/issues/11828">Issue 11828</a>)
 * Clarified that certain ''anchor()'' resolaveability checks are at [=computed value=] time, not parse time.