From 908b96ccc460a05a1fa7f28ce9814827c6cca2a2 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Sat, 2 Oct 2010 05:18:48 +0000
Subject: [PATCH] - Add some month/year tests (many of which fail -- refs
 #1731) - Always delete empty strToDate part (for proper testing)

---
 chrome/content/zotero/xpcom/zotero.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index d4d634a0ac..438a857e55 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -2214,9 +2214,10 @@ Zotero.Date = new function(){
 		// clean up date part
 		if(date.part) {
 			date.part = date.part.replace(/^[^A-Za-z0-9]+/, "").replace(/[^A-Za-z0-9]+$/, "");
-			if(!date.part.length) {
-				date.part = undefined;
-			}
+		}
+		
+		if(date.part === "" || date.part == undefined) {
+			delete date.part;
 		}
 		
 		return date;