Re: C-h w undo RET says "undo". Where is it?

[Stefan Monnier]

Marcin Borkowski [2021-07-25 09:19:48] wrote:

> On 2021-07-23, at 07:42, tomas@tuxteam.de wrote:
>
>> On Fri, Jul 23, 2021 at 07:11:03AM +0200, Marcin Borkowski wrote:
>>> Hi all,
>>> 
>>> Emacs tells me that `undo' is bound to several keys.  Personally, I use
>>> C-/ almost exlusively, but C-h w undo RET says that it's also bound to
>>> <undo>.  Where is that key?
>>
>> X11, at least, knows about such a thing:
>>
>>     tomas@trotzki:~$ grep -i undo /usr/include/X11/keysym*
>>     /usr/include/X11/keysymdef.h:#define XK_Undo                          
>> 0xff65
>
> Well, X11 is also pretty ancient by today's standards, no?

Here's the last keyboard I remember using with an `undo` key (on the
left block):

http://xahlee.info/kbd/iold51593/Sun_Microsystems_type_7_keyboard_d5e03.jpg


-- Stefan