bug#41370: 27.0.91; Eshell and exit-minibuffer

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@gmail.com>
> Date: Wed, 20 May 2020 13:31:12 -0400
> Cc: Alex Branham <alex.branham@gmail.com>, 41370@debbugs.gnu.org
> 
> This is because eshell-command calls eshell-return-exits-minibuffer
> which does
> 
>     (define-key eshell-mode-map [(control ?m)] 'exit-minibuffer)
> 
> This was okay in 26.3 because eshell-mode created its keymap from
> scratch every time.  That's no longer the case since [1: 1ee0192b792]
> (bugs #22792 and #33808).
> 
> [1: 1ee0192b792]: 2019-08-15 20:49:15 -0400
>   Fix eshell-mode-map initialization
>   
> https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=1ee0192b792124663a0a40a729dd83c047d21535
> 
> I think that should be reverted from emacs-27, and the patch below can
> fix it for master:

Agreed, thanks.