From 3c6e69e79ad5228d147422481d07c932ccd28073 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 24 Sep 2018 06:10:17 +0530
Subject: [PATCH] Display dates of the form 101-01-02 as undefined as well

In some hard to determine circumstances browsers create these dates for
undefined dates.
---
 src/pyj/date.pyj | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pyj/date.pyj b/src/pyj/date.pyj
index 14c2de611a..eef6fb26a4 100644
--- a/src/pyj/date.pyj
+++ b/src/pyj/date.pyj
@@ -10,7 +10,7 @@ def is_date_undefined(date):
     return dy < uy or (
             dy is uy and
             date.getUTCMonth() is UNDEFINED_DATE.getUTCMonth() and
-            date.getUTCDate() is UNDEFINED_DATE.getUTCDate())
+            date.getUTCDate() <= UNDEFINED_DATE.getUTCDate() + 1)
 
 # format_date() {{{