Re: input-pending-p after make-frame-visible

[Eli Zaretskii]

> From: Aaron Jensen <aaronjensen@gmail.com>
> Date: Mon, 27 Sep 2021 19:02:04 -0400
> Cc: emacs-devel@gnu.org
> 
> >  > I'm using your patch now, so I can let you know if it happens again.
> >
> > You can also set 'while-no-input-ignore-events' to include or rule out
> > specific events.
> 
> last-input-event is 134217848 after I get into that situation w/ M-x.
> I'm guessing that's M-x, because if I do C-h v, I end up with 118 (v).

Yes, it's M-x.  The easiest way to see that is

   M-: 134217848 RET

which will show:

   134217848 (#o1000000170, #x8000078)

And the last representation tells you it's 'x' (#x78) with 27th bit
set.  And in lisp.h we have:

  enum char_bits
    {
      CHAR_ALT = 0x0400000,
      CHAR_SUPER = 0x0800000,
      CHAR_HYPER = 0x1000000,
      CHAR_SHIFT = 0x2000000,
      CHAR_CTL = 0x4000000,
      CHAR_META = 0x8000000,  <<<<<<<<<<<<<<<<<<<<<<<<

But where does that M-x come from in the recipe in question?