Warning: simplexml_load_string(): Entity: line 12: parser error : Start tag expected, '<' not found  in app/code/core/Mage/Core/Model/Layout/Update.php on line 450

 Warning: simplexml_load_string(): </customer_account_create-->  in app/code/core/Mage/Core/Model/Layout/Update.php on line 450

find -type f -name "*.xml" -exec xmllint --noout {} ;

./app/code/core/Mage/CatalogInventory/etc/wsi.xml:2: namespace error : xmlns:typens: 'urn:{{var wsdl.name}}' is not a valid URI

./app/code/local/Vendor/Module/etc/adminhtml.xml:23: parser error : Start tag expected, '<' not found

<?xml version="1.0" encoding="utf-8"?>
<!-- comment directly after xml declaration without any xml following -->