diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/blocks/comments-title.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/comments-title.php	Tue Sep 27 16:37:53 2022 +0200
@@ -0,0 +1,97 @@
+<?php
+/**
+ * Server-side rendering of the `core/comments-title` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/comments-title` block on the server.
+ *
+ * @param array $attributes Block attributes.
+ *
+ * @return string Return the post comments title.
+ */
+function render_block_core_comments_title( $attributes ) {
+
+	if ( post_password_required() ) {
+		return;
+	}
+
+	$align_class_name    = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}";
+	$show_post_title     = ! empty( $attributes['showPostTitle'] ) && $attributes['showPostTitle'];
+	$show_comments_count = ! empty( $attributes['showCommentsCount'] ) && $attributes['showCommentsCount'];
+	$wrapper_attributes  = get_block_wrapper_attributes( array( 'class' => $align_class_name ) );
+	$comments_count      = get_comments_number();
+	/* translators: %s: Post title. */
+	$post_title = sprintf( __( '&#8220;%s&#8221;' ), get_the_title() );
+	$tag_name   = 'h2';
+	if ( isset( $attributes['level'] ) ) {
+		$tag_name = 'h' . $attributes['level'];
+	}
+
+	if ( '0' === $comments_count ) {
+		return;
+	}
+
+	if ( $show_comments_count ) {
+		if ( $show_post_title ) {
+			if ( '1' === $comments_count ) {
+				/* translators: %s: Post title. */
+				$comments_title = sprintf( __( 'One response to %s' ), $post_title );
+			} else {
+				$comments_title = sprintf(
+					/* translators: 1: Number of comments, 2: Post title. */
+					_n(
+						'%1$s response to %2$s',
+						'%1$s responses to %2$s',
+						$comments_count
+					),
+					number_format_i18n( $comments_count ),
+					$post_title
+				);
+			}
+		} elseif ( '1' === $comments_count ) {
+			$comments_title = __( 'One response' );
+		} else {
+			$comments_title = sprintf(
+				/* translators: %s: Number of comments. */
+				_n( '%s responses', '%s responses', $comments_count ),
+				number_format_i18n( $comments_count )
+			);
+		}
+	} elseif ( $show_post_title ) {
+		if ( '1' === $comments_count ) {
+			/* translators: %s: Post title. */
+			$comments_title = sprintf( __( 'Response to %s' ), $post_title );
+		} else {
+			/* translators: %s: Post title. */
+			$comments_title = sprintf( __( 'Responses to %s' ), $post_title );
+		}
+	} elseif ( '1' === $comments_count ) {
+		$comments_title = __( 'Response' );
+	} else {
+		$comments_title = __( 'Responses' );
+	}
+
+	return sprintf(
+		'<%1$s id="comments" %2$s>%3$s</%1$s>',
+		$tag_name,
+		$wrapper_attributes,
+		$comments_title
+	);
+}
+
+/**
+ * Registers the `core/comments-title` block on the server.
+ */
+function register_block_core_comments_title() {
+	register_block_type_from_metadata(
+		__DIR__ . '/comments-title',
+		array(
+			'render_callback' => 'render_block_core_comments_title',
+		)
+	);
+}
+
+add_action( 'init', 'register_block_core_comments_title' );