On Wed, Apr 26, 2017 at 11:06 PM, I wrote:
> On Wed, Apr 26, 2017 at 8:23 PM, <pietro(dot)pugni(at)gmail(dot)com> wrote:
> The problem is that after the subtraction the date '1912-02-28' doesn't
> know it's supposed to be the last date of the month instead of the 28th,
> specifically.
>
Sorry, I meant "addition" and the date '1922-02-28' here.
.m