Description: simplify the code so node-es6-module-transpiler works
Author: Julien Puydt
Forwarded: no

--- a/src/expression.js
+++ b/src/expression.js
@@ -512,7 +512,7 @@
   return this.finishNode(elem, "TemplateElement")
 }
 
-pp.parseTemplate = function({isTagged = false} = {}) {
+pp.parseTemplate = function(isTagged = false) {
   let node = this.startNode()
   this.next()
   node.expressions = []
