[TUHS] When did "man cal" lose the comment about 1752?

[Stuff Received]

On 2024-07-10 21:44, Greg 'groggy' Lehey wrote (in part):
> On Thursday, 11 July 2024 at 11:24:26 +1000, Dave Horsfall wrote:
>> The manpage for "cal" used to have the comment "Try September 1752" (and
>> yes, I know why); it's no longer there, so when did it disappear?  The
>> SysV fun police?
>>
>> I remember it in Ed5 and Ed6, but can't remember when I last saw it.
> 
[...]
> 
> It sounds like that's not the quote you're thinking of, though.  I've
> checked back as far as FreeBSD 1.0, which had a much simpler version
> of cal.  The man page states
> 
>         The  Gregorian  Reformation  is assumed to have occurred in 1752 on the
>         3rd of September.  By this time, most countries had recognized the ref-
>         ormation (although a few did not recognize it until the early  1900's.)
>         Ten days following that date were eliminated by the reformation, so the
>         calendar for that month is a bit unusual.

Solaris 11 has this version:

NOTES
        An unusual calendar is printed for September 1752. That is the
        month 11 days  were skipped to make up for lack of leap year
        adjustments. To see this calendar, type:

          cal 9 1752

S.