From e850d55e4e35a7907b762c0555f483b0ddf7eebe Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 20 May 1999 03:49:25 +0000
Subject: [PATCH] add the comment to go with last change

---
 lib/getdate.y | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/getdate.y b/lib/getdate.y
index bfaf2f1c1f..9dc10483de 100644
--- a/lib/getdate.y
+++ b/lib/getdate.y
@@ -953,8 +953,12 @@ get_date (const char *p, const time_t *now)
   tm.tm_hour += yyRelHour;
   tm.tm_min += yyRelMinutes;
   tm.tm_sec += yyRelSeconds;
+
+  /* Let mktime deduce tm_isdst if we have an absolute timestamp,
+     or if the relative timestamp mentions days, months, or years.  */
   if (yyHaveDate | yyHaveDay | yyHaveTime | yyRelDay | yyRelMonth | yyRelYear)
     tm.tm_isdst = -1;
+
   tm0 = tm;
 
   Start = mktime (&tm);
-- 
2.30.2