Re: Recentish C-s M-y change

[Gregory Heytings]

> It would be easy to display a message like
>  All but C-g C-h C-q C-r C-s  C-x 8 RET  C-w C-y C-\ C-^ M-n M-p M-s M-% C-M-d 
> C-M-i C-M-y C-M-z C-M-% exit
> except that it it is too wide for the screen.
>
> By the way, this shows how many keys which used to exit the seach and 
> thn execute have been redefined over the years to do something else. I 
> was sure there were more than the few someone showed me from 1992 or so.

I was replying to you initial question, which was about "control 
characters": "In recent years, we have given several control characters a 
special meaning after C-s.  Most of those special meanings are not useful 
for me, but there were some that I used to type often to exit the search. 
Now that no longer works."  I may have misunderstood what you meant, but 
for me "control characters" meant C-a ... C-z.

C-\ and C-^ were bound in Emacs 20, and have the same meaning in isearch 
as in global-map, but specialized for isearch.

Discussing all M- and C-M- bindings in detail would be much longer, but 
again most of these bindings are not recent.  Those you mention above:

M-n and M-p were bound in Emacs 19.

M-% and C-M-% were bound in Emacs 22, and have the same meaning in isearch 
as in global-map, but specialized for isearch.

M-s was bound in Emacs 23, and has the meaning in isearch as in 
global-map, but specialized for isearch.

C-M-i was bound in Emacs 19.

C-M-d C-M-y C-M-z were bound in Emacs 27, but have no meaning in 
global-map.