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From: dennison@telepath.com
Subject: Re: Y2K Issues
Date: 1998/10/28
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Date: 1998-10-28T00:00:00+00:00
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In article <F1I5z2.9K8.0.-s@inmet.camb.inmet.com>,
  stt@houdini.camb.inmet.com (Tucker Taft) wrote:
> : In article <7125a8$e7u$1@nnrp1.dejanews.com>,
> :   dennison@telepath.com wrote:

> : > Don't be quite so hard on uSoft. ObjectAda 7.1.1 had this exact same
problem.
>
> That surprises me, because the package Calendar we have shipped with
> our Ada 95 front end since the beginning has the following leap_year
> function (original comment included):
(snip)
> That's good.  Maybe there is an interesting story here (or perhaps
> this whole thing is apocryphal?).

Well, no. It has been verified on the Intel-ObjectAda mailing list by Dave
Wood. I may have phrased it vaguely because I don't trust my memory on the
particulars, and I was too lazy to look it up in my mailing-list archives.
But since you are interested...

I don't know if there is a public archive of the Intel-ObjectAda mailing list,
but if there is, the thread name is "Intel-OA:Leap Day Error". First post was
9/16/98. The following is my "book report" on the thread:

The problem was *not* in calendar, but internal to ObjectAda compiled
applications, reportedly even a "Hello World" program. Programs run on any
Feb 29 GMT may (will?) have the problem. The reported symptom is the program
bombing immediately with "ERROR: reentering exception manager for the 10th
time, EIP=00000000".

Also, while I'm correcting myself, it is *not* fixed in the current version
of ObjectAda. It looks like it should be in the *next* version, which of
course is due RSN. :-) Aonix made some rumblings about making a patch
available in the meantime, but I have seen nothing further on the subject.

--
T.E.D.

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