bug#50929: [External] : bug#50929: Add slurp-sexp and barf-sexp

[Philip Kaludercic <philipk@posteo.net>]

Drew Adams <drew.adams@oracle.com> writes:

>> I use C-<left> and C-<right>, but alternatives I can think of are
>> M-<left> and M-<right>, C-< and C-> or M-[ and M-].  The former two
>> combinations are both bound to left- and right-word, and the latter two
>> combination is unbound in emacs-lisp-mode.
>
> FWIW -
>
> I'd prefer that no default key bindings be sacrificed
> for this.

I think you and I already discussed this a few months ago, but binding
anything to these keys wouldn't sacrifice anything besides an unbound
slot, that the user can still override.

> This kind of editing is mostly appropriate for use with "structured
> editing" modes that automatically and always pair delimiters.  I think
> it makes most sense for only such modes to bind keys for such
> commands.

The reason I suggested adding the commands in the first place is because
I think some kind of structural editing can be done without the need for
any special modes or the need to bundle commands together.

-- 
	Philip Kaludercic