From 8440ee35c0219dac8fe3f0a3e3f1e52636492771 Mon Sep 17 00:00:00 2001
From: "Christoph M. Becker" <cmbecker69@gmx.de>
Date: Fri, 12 Feb 2021 14:40:11 +0100
Subject: [PATCH] Fix #62823: datetime.formats.compound regex issue

---
 reference/datetime/formats.xml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/reference/datetime/formats.xml b/reference/datetime/formats.xml
index 4a853149dd..891edc8dd0 100644
--- a/reference/datetime/formats.xml
+++ b/reference/datetime/formats.xml
@@ -508,7 +508,7 @@
      </row>
      <row>
       <entry><literal>ii</literal></entry>
-      <entry>[0-5][0-9]</entry>
+      <entry>[0-5]?[0-9]</entry>
       <entry>"04", "8", "59"</entry>
      </row>
      <row>
@@ -533,8 +533,8 @@
      </row>
      <row>
       <entry><literal>ss</literal></entry>
-      <entry>[0-5][0-9]</entry>
-      <entry>"04", "8", "59"</entry>
+      <entry>([0-5]?[0-9])|60</entry>
+      <entry>"04", "8", "59", "60" (leap second)</entry>
      </row>
      <row>
       <entry><literal>SS</literal></entry>