bug#37057: Better explanation

[Eli Zaretskii]

> From: Adrian Parvin Ouano <programmer@adrianpar.vin>
> Date: Mon, 06 Apr 2020 04:21:03 +0800
> 
> Actually, I looked into how Emacs handles implicit pushes, and found the
> answer to *my* problem, not sure if the same is with yours. Emacs Calc
> uses `unread-command-events` in order to perform the addition. That is,
> 
> 1 1+
> (space verbatim)
> is read as:
> 1 1++
> where the first + pushes into the Calc stack, and pushes "+" into the
> command queue, for the Calc stack to process as addition.

This bug (and a similar bug#37526) are already fixed in what will
become Emacs 27, we just forgot to close them.  Closing now.

Thanks.