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Re: Emacs Lisp date/time functions and RFC 3339?


From: T. V. Raman
Subject: Re: Emacs Lisp date/time functions and RFC 3339?
Date: Fri, 10 Nov 2006 06:33:37 -0800

The -08:00 vs emacs' -0800 for local timezones is a bigger problem.

>>>>> "Kim" == Kim F Storm <address@hidden> writes:
    Kim> Andreas Schwab <address@hidden> writes:
    >> address@hidden (Kim F. Storm) writes:
    >> 
    >>> Andreas Schwab <address@hidden> writes:
    >>> 
    >>>> "T. V. Raman" <address@hidden> writes:
    >>>> 
    >>>>> The date/time handling functions in Emacs ---
    >>>>> calendar/time-date.el, together with the primitives for
    >>>>> encode-time and decode-time do not handle this format
    >>>>> well, nor does format-time-string.
    >>>> 
    >>>> In which way does format-time-string not handle that
    >>>> format?
    >>> 
    >>> E.g.  %z => -0800 whereas the rfc requests -08:00
    >> 
    >> GNU date supports %:z, %::z and %:::z, should be easy to
    >> add that to format-time-string.
    Kim> 
    Kim> So we should add at least %:z .
    Kim> 
    >> 
>> Also for UTC, %z => 0000 whereas the rfc requests Z
    >> 
    >> If you know that you are formatting UTC you can just put
    >> the Z in the format string.  The use of Z for UTC is not
    >> mandated.
    Kim> 
    Kim> The timezone is not optional.
    Kim> 
    Kim>    time-offset = "Z" / time-numoffset
    Kim> 
    Kim>    partial-time = time-hour ":" time-minute ":"
    Kim> time-second [time-secfrac]
    Kim> 
    Kim>    full-time = partial-time time-offset
    Kim> 
    Kim>    date-time = full-date "T" full-time
    Kim> 
    Kim> 
    Kim> -- Kim F. Storm <address@hidden> http://www.cua.dk
    Kim> 
    Kim> 
    Kim> 
    Kim> _______________________________________________
    Kim> Emacs-devel mailing list address@hidden
    Kim> http://lists.gnu.org/mailman/listinfo/emacs-devel

-- 
Best Regards,
--raman

      
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