Re: POLL: make C-x o transient

[Yuan Fu]

> 在 2021年1月28日，下午4:59，Alan Mackenzie <acm@muc.de> 写道：
> 
> Hello, Gregory.
> 
> On Thu, Jan 28, 2021 at 19:13:22 +0000, Gregory Heytings wrote:
> 
> 
>>> Just switch the direction by the prefix arg '-'.  Its handling could be 
>>> easily implemented.  It seems better to extend repeat.el to allow using 
>>> the last key of the last command, add handling of universal arguments, 
>>> and all this without using add-advice and hooks.
> 
>> IMO it is would be much better to map the existing repeat command to a 
>> single keystroke, it would make any command repeatable without changing 
>> anything else, and it already handles universal arguments.  I think C-= 
>> would be the best key for this: not only is "=" a good mnemonic for "same 
>> command", but it is also next to the "-" key to change the direction.
> 
> It depends entirely on your keyboard layout.  On a standard German
> keyboard, for example, = is <shift>0, so C-= would mean pressing three
> keys at the same time.  Also on the same keyboard, - and = are nowhere
> near eachother.
> 
> Also, does C-= even exist on a typical tty layout?

No, you need special handling to recognize C-= on tty.

Yuan