Re: obsoleting two time zone abbreviation variables

>>>>> On Tue, 01 Sep 2026, Paul Eggert wrote:

> --- a/doc/lispref/os.texi
> +++ b/doc/lispref/os.texi
> @@ -1541,9 +1541,13 @@ Time Zone Rules
>  This function returns a list describing the time zone that the user is
>  in.
 
> +@cindex Univeral Time

Typo.

>  The value has the form @code{(@var{offset} @var{abbr})}.  Here
> -@var{offset} is an integer giving the number of seconds ahead of Universal Time
> -(east of Greenwich).  A negative value means west of Greenwich.  The
> +@var{offset} is an integer number of seconds of time ahead of
> +Universal Time, the time scale originally based on Greenwich Mean Time (GMT),
> +the local mean time at the Royal Observatory, Greenwich.
> +A positive value is suitable for time zones east of Greenwich,
> +and negative for west of Greenwich.  The
>  second element, @var{abbr}, is a string giving a possibly-ambiguous
>  abbreviation for the time zone, e.g., @samp{"IST"} for India Standard
>  Time, Irish Standard Time, or Israel Standard Time.

LGTM, but it's not the lines that I meant. These were:

  @var{offset} is an integer number of seconds east of Universal Time

currently (commit 0eb7313a414) in line 1532 of os.texi, and 

  seconds east of Greenwich.

in line 1682.