From 8fee6913abb543c6b68322c86cb43e3f6a97e848 Mon Sep 17 00:00:00 2001
From: Weston Ruter <westonruter@google.com>
Date: Mon, 11 Nov 2019 01:02:35 -0800
Subject: [PATCH] Skip skip-link-focus-fix in AMP

---
 varia/functions.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/varia/functions.php b/varia/functions.php
index b24e5d8556..1675388419 100755
--- a/varia/functions.php
+++ b/varia/functions.php
@@ -273,6 +273,12 @@ function varia_scripts() {
  * @link https://git.io/vWdr2
  */
 function varia_skip_link_focus_fix() {
+	// Prevent outputting skip-link-focus-fix in AMP since the AMP framework has it built-in,
+	// per <https://github.com/ampproject/amphtml/issues/18671>.
+	if ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ) {
+		return;
+	}
+
 	// The following is minified via `terser --compress --mangle -- js/skip-link-focus-fix.js`.
 	?>
 	<script>