From f76b77b7c3e0fb48db9fa761842699dfd3e6b6c2 Mon Sep 17 00:00:00 2001
From: audrasjb <audrasjb@git.wordpress.org>
Date: Tue, 8 Feb 2022 23:41:00 +0000
Subject: [PATCH] Script Loader: Prevent normalizing HTML IDs in
 `_wp_normalize_relative_css_links()`.

This change fixes an issue where `_wp_normalize_relative_css_links()` was not only matching urls, but also HTML IDs.

Follow-up to [52036].

Props mahype, costdev, audrasjb, SergeyBiryukov.
Fixes #54922.

Built from https://develop.svn.wordpress.org/trunk@52695


git-svn-id: http://core.svn.wordpress.org/trunk@52284 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/script-loader.php | 5 +++++
 wp-includes/version.php       | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index bc52a5f907..d351a502d6 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -2770,6 +2770,11 @@ function _wp_normalize_relative_css_links( $css, $stylesheet_url ) {
 				continue;
 			}
 
+			// Skip if the URL is an HTML ID.
+			if ( str_starts_with( $src_result, '#' ) ) {
+				continue;
+			}
+
 			// Build the absolute URL.
 			$absolute_url = dirname( $stylesheet_url ) . '/' . $src_result;
 			$absolute_url = str_replace( '/./', '/', $absolute_url );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 69ea982902..0343f7ee17 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52694';
+$wp_version = '6.0-alpha-52695';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.