From 24f0a580b5c63e0857e3afd752d84951608fba91 Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@osmosoft.com>
Date: Tue, 16 Oct 2012 08:46:29 +0100
Subject: [PATCH] Refine macro parameter test

---
 core/modules/treenodes/macro.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/treenodes/macro.js b/core/modules/treenodes/macro.js
index c86cf61a1..f24857dde 100644
--- a/core/modules/treenodes/macro.js
+++ b/core/modules/treenodes/macro.js
@@ -126,7 +126,7 @@ Macro.prototype.parseMacroParamString = function(paramString) {
 };
 
 Macro.prototype.hasParameter = function(name) {
-	return $tw.utils.hop(this.params,name);
+	return this.params[name] !== undefined;
 };
 
 Macro.prototype.cloneContent = function() {