bug#24577: 25.1; Proposal to improve C-u C-h c behavior

[Eli Zaretskii <eliz@gnu.org>]

> From: Ivan Shmakov <ivan@siamics.net>
> Date: Sat, 01 Oct 2016 05:40:40 +0000
> Cc: Dmitri Paduchikh <dpaduchikh@gmail.com>
> 
> >>>>> Dmitri Paduchikh <dpaduchikh@gmail.com> writes:
> 
>  > C-u C-h c does not work in read-only buffers.  And even if the buffer
>  > is writable it's rarely an appropriate place to insert info about key
>  > bindings.  I think it would be better if C-u C-h c placed its output
>  > into kill ring and printed it in the echo area instead of the current
>  > behavior.
> 
> 	I believe that this behavior is a common idiom in Emacs.
> 	For example, M-! date RET shows the current date and time in
> 	echo area, while C-u M-! date RET inserts it at point – with
> 	both actions making sense depending on the situation.
> 
> 	I guess C-u C-h c behavior is mainly useful when writing about
> 	Emacs itself (including writing bug reports, or conversing on
> 	IRC, etc.), but I can easily see it being handy nevertheless.
> 
> 	Also, for read-only buffers, one can use C-h c without C-u, and
> 	then copy the result from the *Messages* buffer.
> 
> 	On the other hand, I’m not aware of any of Emacs commands adding
> 	the result of some operation directly to the kill ring.

100% agreement.