From c70c07bb2e331d8d872d7fb8572e4f86433d2a43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adomas=20Ven=C4=8Dkauskas?= <adomas.ven@gmail.com>
Date: Thu, 16 Jan 2020 11:07:42 +0200
Subject: [PATCH] Fix a citation dialog error when the dialog contents are
 cleared

---
 chrome/content/zotero/integration/quickFormat.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chrome/content/zotero/integration/quickFormat.js b/chrome/content/zotero/integration/quickFormat.js
index cbcf0a8d1a..82962698e7 100644
--- a/chrome/content/zotero/integration/quickFormat.js
+++ b/chrome/content/zotero/integration/quickFormat.js
@@ -221,7 +221,7 @@ var Zotero_QuickFormat = new function () {
 	 */
 	var _quickFormat = Zotero.Promise.coroutine(function* () {
 		var str = _getEditorContent();
-		if (str.match(/\s$/)) {
+		if (str && str.match(/\s$/)) {
 			locatorLocked = true;
 		}
 		var haveConditions = false;