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Re: calendar gets wrong end for Daylight Savings Time
From: |
Eli Zaretskii |
Subject: |
Re: calendar gets wrong end for Daylight Savings Time |
Date: |
Thu, 09 Nov 2006 06:26:30 +0200 |
> Cc: address@hidden, address@hidden, address@hidden,
> address@hidden
> From: address@hidden (Kim F. Storm)
> Date: Wed, 08 Nov 2006 10:22:25 +0100
> >
> > I don't think Emacs needs to consult tzdata, because on system that
> > have it, the library functions which handle time, such as mktime,
> > already consult that data base. So the times you get from the library
> > are already correctly taking into account the DST settings for the
> > correct year.
>
> But it's not just a matter of whether DST applies to the current time & date.
I didn't say ``current''. mktime and friends consult the tzdata
database for _any_ time_t value.
> I would assume that M-x calendar must use the database directly to
> find out _when_ DST starts and ends to print the calendar correctly.
It can do that, but it doesn't have to: it could alternatively pass
the corresponding time_t value to the time routines and get the DST
flag back as the result. The Lisp primitives that return the current
time or time string should support that already.
- Re: calendar gets wrong end for Daylight Savings Time, (continued)
- Re: calendar gets wrong end for Daylight Savings Time, Eli Zaretskii, 2006/11/07
- Re: calendar gets wrong end for Daylight Savings Time, Kim F. Storm, 2006/11/08
- Re: calendar gets wrong end for Daylight Savings Time, Richard Stallman, 2006/11/08
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/08
- Re: calendar gets wrong end for Daylight Savings Time, James Cloos, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Eli Zaretskii, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, James Cloos, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time,
Eli Zaretskii <=
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Eli Zaretskii, 2006/11/09
- Re: calendar gets wrong end for Daylight Savings Time, Glenn Morris, 2006/11/09