From 86591014915cda77fbb88ac70694c051c0b8b0f3 Mon Sep 17 00:00:00 2001
From: zieladam <zieladam@git.wordpress.org>
Date: Fri, 21 Apr 2023 13:32:25 +0000
Subject: [PATCH] HTML API: Fix a case where updates are overlooked when
 seeking to earlier locations.
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This retains the WP_HTML_Tag_Processor attribute updates applied before calling seek() – they were erroneously erased in some cases.

Props dmsnell.
Fixes #58160.




Built from https://develop.svn.wordpress.org/trunk@55675


git-svn-id: http://core.svn.wordpress.org/trunk@55187 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/html-api/class-wp-html-tag-processor.php | 2 ++
 wp-includes/version.php                              | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/wp-includes/html-api/class-wp-html-tag-processor.php b/wp-includes/html-api/class-wp-html-tag-processor.php
index 039a8f275b..8c41e73215 100644
--- a/wp-includes/html-api/class-wp-html-tag-processor.php
+++ b/wp-includes/html-api/class-wp-html-tag-processor.php
@@ -2142,6 +2142,8 @@ class WP_HTML_Tag_Processor {
 		 * to the end of the updated document and return.
 		 */
 		if ( $requires_no_updating && $this->bytes_already_copied > 0 ) {
+			$this->html                 = $this->output_buffer . substr( $this->html, $this->bytes_already_copied );
+			$this->bytes_already_copied = strlen( $this->output_buffer );
 			return $this->output_buffer . substr( $this->html, $this->bytes_already_copied );
 		}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 747e8c2ada..4bd41c3146 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55674';
+$wp_version = '6.3-alpha-55675';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.