Re: [Emacs-diffs] emacs-25 d4e1549: Guard terminal parameter in XTerm mouse mode

[Stefan Monnier]

> +     (setf (terminal-parameter nil 'xterm-mouse-last-down)
> +              ;; EVENT might be handed back to the input queue, which
> +              ;; might modify it.  Copy it into the terminal parameter
> +              ;; to guard against that.
> +              (copy-sequence event))

Do you have further information about when/where events might be
modified in place?  It sounds like a risky operation.


        Stefan