From 4264f0b5ab8910fd963152a2636a47e61bd88707 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.spb.su>
Date: Sun, 18 Jan 2009 10:27:40 +0100
Subject: [PATCH] addLabel: properly handle input canceling

---
 prefs.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/prefs.js b/prefs.js
index d78e3b9d7..12a95249e 100644
--- a/prefs.js
+++ b/prefs.js
@@ -321,6 +321,10 @@ function addLabel() {
 
 	var caption = prompt(__("Please enter label caption:"), "");
 
+	if (caption == null) { 
+		return false;
+	}
+
 	if (caption == "") {
 		alert(__("Can't create label: missing caption."));
 		return false;