From 0e62d8f6487586e0dd61433c6df37ec4d1dc7a4a Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@osmosoft.com>
Date: Fri, 5 Dec 2014 10:20:25 +0000
Subject: [PATCH] Fix problem with tm-add-field for existing fields

Fixes #1197
---
 core/modules/widgets/fieldmangler.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/modules/widgets/fieldmangler.js b/core/modules/widgets/fieldmangler.js
index 66c4db16e..1cd0c5aa6 100644
--- a/core/modules/widgets/fieldmangler.js
+++ b/core/modules/widgets/fieldmangler.js
@@ -76,7 +76,6 @@ FieldManglerWidget.prototype.handleAddFieldEvent = function(event) {
 		hadInvalidFieldName = false,
 		addField = function(name,value) {
 			var trimmedName = name.toLowerCase().trim();
-	debugger;
 			if(!$tw.utils.isValidFieldName(trimmedName)) {
 				if(!hadInvalidFieldName) {
 					alert($tw.language.getString(
@@ -89,6 +88,9 @@ FieldManglerWidget.prototype.handleAddFieldEvent = function(event) {
 					return;
 				}
 			} else {
+				if(!value && tiddler) {
+					value = tiddler.fields[trimmedName];
+				}
 				addition[trimmedName] = value || "";
 			}
 			return;