bug#48042: 26.3; Macros don't work with french-postfix input method

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Gregory Heytings <gregory@heytings.org>,  harven@free.fr,
>   48042@debbugs.gnu.org
> Date: Fri, 14 May 2021 11:51:41 -0400
> 
> BTW, another possible way to attack the problem is to arrange for the
> code that pushes to `unread-command-events` to use events of the form
> `(t . EVENT)` so as to tell explicitly that we don't want them recorded.

Maybe we will do something like that, or maybe we'll decide something
else.  But before we do that, I'd like to have a good understanding
how the current code malfunctions and why.