[css-anchor-position-1] Cross-link back to the a11y issue for input

Author: fantasai

css-anchor-position-1/Overview.bs

@@ -2469,7 +2469,9 @@ However, authors should not overuse such features either,
 since overburdening the page with extra, unnecessary semantic connections can also
 make the page difficult to comprehend.
 
-
+ISSUE(10311): Suggestions for ways to improve this section,
+especially author guidance and examples of best practices for common use cases,
+is welcome.
 
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