Update src/util/xml-escape.js

src/util/xml-escape.js

@@ -15,7 +15,7 @@ const xmlEscape = function (unsafe) {
             // See #1030
             unsafe = String(unsafe);
         } else {
-            log.error(`Unexptected type ${typeof unsafe} in xmlEscape at: ${new Error().stack}`);
+            log.warn(`Unexptected type ${typeof unsafe} in xmlEscape at: ${new Error().stack}`);
             return unsafe;
         }
     }
@@ -41,4 +41,4 @@ const escapeAttribute = unsafe => {
 };
 
 module.exports = xmlEscape;
-module.exports.escapeAttribute = escapeAttribute;
+module.exports.escapeAttribute = escapeAttribute;