From 84bebb65b7e57b7db28b6d547a3155d8436bc798 Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@osmosoft.com>
Date: Sun, 23 Nov 2014 16:02:08 +0000
Subject: [PATCH] Fix advanced filter search clear button

Thanks @BramChen
---
 core/modules/widgets/action-setfield.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/widgets/action-setfield.js b/core/modules/widgets/action-setfield.js
index 600d7a2da..89de61824 100644
--- a/core/modules/widgets/action-setfield.js
+++ b/core/modules/widgets/action-setfield.js
@@ -58,7 +58,7 @@ Invoke the action associated with this widget
 */
 SetFieldWidget.prototype.invokeAction = function(triggeringWidget,event) {
 	var self = this;
-	if(this.actionValue) {
+	if(typeof this.actionValue === "string") {
 		this.wiki.setText(this.actionTiddler,this.actionField,this.actionIndex,this.actionValue);		
 	}
 	$tw.utils.each(this.attributes,function(attribute,name) {