bug#45091: 27.1; M-x org-table-paste-rectanble

[Eli Zaretskii]

> From: Tak Kunihiro <homeros.misasa@gmail.com>
> Date: Mon, 07 Dec 2020 14:00:28 +0900
> Cc: tkk@misasa.okayama-u.ac.jp
> 
> I see error message "Marker does not point anywhere" during copy and
> paste operation between org-table on Emacs 27.1.
> 
>     $ emacs -Q
>     M-x find-file FOLLOWING_FILE
>     Eval: (progn (require 'org) (require 'org-table) (orgtbl-mode))
>     Select all cells of the first org-table
>     M-x org-table-copy-region
>     Click the top-left of the second org-table
>     M-x org-table-paste-rectangle
>     M-x undo
>     Click the top-left of the second org-table
>     M-x org-table-paste-rectangle
> 
> Then I see following messages.  No error is observed on Emacs 26.3.
> 
>     Mark set
>     Error in post-command-hook (jit-lock--antiblink-post-command): (error 
> "Marker does not point anywhere")
>     Error during redisplay: (jit-lock-function 3145) signaled (error "Marker 
> does not point anywhere")

João, could you please look into this?  If it's possible to fix this
for Emacs 27.2, I'd like it to be fixed.

Thanks.