From 3547504b81ddea42439630b72cadb36afb42e40d Mon Sep 17 00:00:00 2001
From: Navarr Barnier <navarr.barnier@blueacornici.com>
Date: Thu, 25 Feb 2021 08:07:00 -0500
Subject: [PATCH] Allow for preconnect, dns-prefetch and other link tags

Adding simple tags like `<link rel="preconnect" href="//cdn-ws.turnto.com"/>` currently requires a block and template, but could easily be injected into the head through layout updates
---
 lib/internal/Magento/Framework/View/Layout/etc/head.xsd | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/internal/Magento/Framework/View/Layout/etc/head.xsd b/lib/internal/Magento/Framework/View/Layout/etc/head.xsd
index 51acc5789a4f8..cb85b65877c45 100644
--- a/lib/internal/Magento/Framework/View/Layout/etc/head.xsd
+++ b/lib/internal/Magento/Framework/View/Layout/etc/head.xsd
@@ -7,7 +7,7 @@
 -->
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
     <xs:complexType name="linkType">
-        <xs:attribute name="src" type="xs:string" use="required"/>
+        <xs:attribute name="src" type="xs:string"/>
         <xs:attribute name="defer" type="xs:string"/>
         <xs:attribute name="ie_condition" type="xs:string"/>
         <xs:attribute name="charset" type="xs:string"/>
@@ -20,6 +20,7 @@
         <xs:attribute name="type" type="xs:string"/>
         <xs:attribute name="order" type="xs:integer"/>
         <xs:attribute name="src_type" type="xs:string"/>
+        <xs:attribute name="href" type="xs:string"/>
         <xs:attribute name="as">
             <xs:simpleType>
                 <xs:restriction base="xs:string">