General: Allow speculative loading opt-out CSS classes to be applied on parent element, e.g. at the block level.

Follow-up to [59837].

Props flixos90, westonruter.
Fixes #63032.
See #62503.

Built from https://develop.svn.wordpress.org/trunk@59881


git-svn-id: http://core.svn.wordpress.org/trunk@59223 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/speculative-loading.php

@@ -190,19 +190,19 @@ function wp_get_speculation_rules(): ?WP_Speculation_Rules {
 				'selector_matches' => 'a[rel~="nofollow"]',
 			),
 		),
-		// Also exclude links that are explicitly marked to opt out.
+		// Also exclude links that are explicitly marked to opt out, either directly or via a parent element.
 		array(
 			'not' => array(
-				'selector_matches' => ".no-{$mode}",
+				'selector_matches' => ".no-{$mode}, .no-{$mode} a",
 			),
 		),
 	);
 
-	// If using 'prerender', also exclude links that opt-out of 'prefetch' because it's part of 'prerender'.
+	// If using 'prerender', also exclude links that opt out of 'prefetch' because it's part of 'prerender'.
 	if ( 'prerender' === $mode ) {
 		$main_rule_conditions[] = array(
 			'not' => array(
-				'selector_matches' => '.no-prefetch',
+				'selector_matches' => '.no-prefetch, .no-prefetch a',
 			),
 		);
 	}

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59880';
+$wp_version = '6.8-alpha-59881';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.