Bug#1229

[Alan Perry]

> From guy at netapp.com Wed Jan 17 21:58 PST 1996

> > Reported by Herbert Xu <herbert at greathan.apana.org.au>
> > 
> > PRC abandoned daylight saving in 1992 or 1993 but currently the files do
> > not reflect this change.
> 
> The latest version of the time zone data files appear to reflect this:
> 
> # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	
LETTER/S
> Rule	Shang	1928	only	-	Jan	 1	0:00	0	S
> Rule	Shang	1940	only	-	Jun	 3	0:00	1:00	D
> Rule	Shang	1940	1941	-	Oct	 1	0:00	0	S
> Rule	Shang	1941	only	-	Mar	16	0:00	1:00	D
> Rule	PRC	1949	only	-	Jan	 1	0:00	0	S
> Rule	PRC	1986	only	-	May	 4	0:00	1:00	D
> Rule	PRC	1986	1991	-	Sep	Sun>=11	0:00	0	S
> Rule	PRC	1987	1991	-	Apr	Sun>=10	0:00	1:00	D
> 
> although earlier versions didn't, I think (the files in SunOS 5.4
> doesn't, for example, and they're probably based on an earlier version).

SunOS 5.4 (Solaris 2.4) zoneinfo files are taken from tzdata94d.  There should
be a patch available that will update this to tzdata95c (I think).  We still
need to update our zic to compile some of the latest zoneinfo files (like
europe) as well as fix zdump, which we (I) :-( broke in 2.4.

alan