Re: Undefined behavior for the function ‘last’ or an error?

[tpeplt]

Forgot to mention -- these results are from Emacs version 29.3.

Start emacs from a shell prompt with "emacs -Q" to avoid any
re-definition of ‘last’.

> The built-in Emacs Lisp function ‘last’ accepts a list as its argument:
>
> (last '(a b c)) => (c)
>
> It also (surprisingly) accepts a non-list as its argument:
>
> (last 'a) => a
> (last 3.14) => 3.14
> (last "string of chars") => "string of chars"
>

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