Stan Sieler wrote:
>
> Wirt writes:
> ...
> > The question is: is that day calculation correct? Although when I
> ...
> > However I was very pleased at HPWorld '96 when Vladimir Volokh wanted to
> > show me the new calendar features in MPEX that Eugene had recently
> > programmed into MPEX (which, BTW, also fails on December 31, 9999).
>
> (Fails after 9999-12-31, I think you meant)
>
> > Thus, after a fit of dueling calendars on side-by-side terminals, we
> > demonstrated to each other that our two calendars agreed perfectly. That
> > demonstration was quite reassuring. Eugene's date calculations so far
> > have been the only completely independent verfication that QueryCalc's
> > calendar is correct -- or at least wrong in the same way MPEX is.
>
> >From HP-UX & AIX:
>
>    cal 12 9999
>           December 9999
>    Sun Mon Tue Wed Thu Fri Sat
>                 1   2   3   4
>     5   6   7   8   9  10  11
>    12  13  14  15  16  17  18
>    19  20  21  22  23  24  25
>    26  27  28  29  30  31
>
> BTW, even a "standard" routine like cal varies from Unix to Unix:
>
>    HP-UX:   cal 1 10000
>    Bad argument
>
>    AIX:     cal 1 10000
>    0702-001 Specify month as number between 1 and 12
>            Specify year as number between 1 and 9999.
>
> POSIX on MPE/iX, OTOH, appears to be implemented by a Stanford fan:
>
>    MPE/iX:  cal 1 10000
>    cal: not found
>
> :)
>
> --
> Stan Sieler                                          [log in to unmask]
>                                      http://www.allegro.com/sieler.htmlI don't see any problem with the year 10000 and MPEX:

 % CALENDAR DECEMBER,10000
                                December 10000


                       SUN  MON  TUE  WED  THU  FRI  SAT

                                                  1    2
                         3    4    5    6    7    8    9
                        10   11   12   13   14   15   16
                        17   18   19   20   21   22   23
                        24   25   26   27   28   29   30
                        31