--- a/wp/wp-admin/edit-comments.php	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-admin/edit-comments.php	Wed Sep 21 18:19:35 2022 +0200
@@ -31,7 +31,7 @@
 		$doaction       = 'delete';
 	} elseif ( isset( $_REQUEST['delete_comments'] ) ) {
 		$comment_ids = $_REQUEST['delete_comments'];
-		$doaction    = ( '-1' !== $_REQUEST['action'] ) ? $_REQUEST['action'] : $_REQUEST['action2'];
+		$doaction    = $_REQUEST['action'];
 	} elseif ( isset( $_REQUEST['ids'] ) ) {
 		$comment_ids = array_map( 'absint', explode( ',', $_REQUEST['ids'] ) );
 	} elseif ( wp_get_referer() ) {
@@ -120,7 +120,7 @@
 		$redirect_to = add_query_arg( 'deleted', $deleted, $redirect_to );
 	}
 	if ( $trashed || $spammed ) {
-		$redirect_to = add_query_arg( 'ids', join( ',', $comment_ids ), $redirect_to );
+		$redirect_to = add_query_arg( 'ids', implode( ',', $comment_ids ), $redirect_to );
 	}
 
 	wp_safe_redirect( $redirect_to );
@@ -228,12 +228,24 @@
 </h1>
 
 <?php
+if ( $post_id ) {
+	$post_type_object = get_post_type_object( get_post_type( $post_id ) );
+
+	if ( $post_type_object ) {
+		printf(
+			'<a href="%1$s" class="comments-view-item-link">%2$s</a>',
+			get_permalink( $post_id ),
+			$post_type_object->labels->view_item
+		);
+	}
+}
+
 if ( isset( $_REQUEST['s'] ) && strlen( $_REQUEST['s'] ) ) {
 	echo '<span class="subtitle">';
 	printf(
 		/* translators: %s: Search query. */
-		__( 'Search results for &#8220;%s&#8221;' ),
-		wp_html_excerpt( esc_html( wp_unslash( $_REQUEST['s'] ) ), 50, '&hellip;' )
+		__( 'Search results for: %s' ),
+		'<strong>' . wp_html_excerpt( esc_html( wp_unslash( $_REQUEST['s'] ) ), 50, '&hellip;' ) . '</strong>'
 	);
 	echo '</span>';
 }
@@ -329,7 +341,7 @@
 <?php $wp_list_table->search_box( __( 'Search Comments' ), 'comment' ); ?>
 
 <?php if ( $post_id ) : ?>
-<input type="hidden" name="p" value="<?php echo esc_attr( intval( $post_id ) ); ?>" />
+<input type="hidden" name="p" value="<?php echo esc_attr( (int) $post_id ); ?>" />
 <?php endif; ?>
 <input type="hidden" name="comment_status" value="<?php echo esc_attr( $comment_status ); ?>" />
 <input type="hidden" name="pagegen_timestamp" value="<?php echo esc_attr( current_time( 'mysql', 1 ) ); ?>" />