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Re: Emacs current-time-string core dump on 64-bit hosts


From: Eli Zaretskii
Subject: Re: Emacs current-time-string core dump on 64-bit hosts
Date: Sun, 26 Mar 2006 22:06:32 +0200

> Cc: address@hidden
> From: Paul Eggert <address@hidden>
> Date: Sat, 25 Mar 2006 21:25:39 -0800
> 
> Eli Zaretskii <address@hidden> writes:
> 
> > previously current-time-string never threw an error, while now it
> > will.
> 
> Hmm, well, it'd be more precise to say something like this:
> 
>    Previously with out-of-range time stamps, current-time-string
>    sometimes dumped core and sometimes had other (somewhat random)
>    behavior.  Now it reliably throws an error.

The core dumps were not mentioned in the documentation, so I doubt
that some code was relying on that.  OTOH, it's quite possible that
some code _does_ rely on the fact that it never threw an error.

> I don't think this change in behavior will be a real problem in
> practice.  The only time stamps affected are those before the year
> -999 or after the year 9999.  Users with old programs won't
> expect such time stamps to work, since historically those time stamps
> never worked on 32-bit systems.

I don't like incompatible changes so close to release, but I'll let
Richard decide.




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