Re: POLL: make C-x o transient

[Gregory Heytings <gregory@heytings.org>]

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> 
> Gregory suggested "C-=" as a potential binding with the benefit that it 
> falls right next to "C--" for inverting, on US/UK keyboard layouts.
>

My C-= suggestion was not for transient keymaps, it was for the global 
map.  Using C-= in transient keymaps does not make sense, as RMS said.

>
> (There is a parallel discussion about binding "C-=" to #'repeat at the 
> top level, which is interesting but has some logistical issues, and is a 
> separate proproal.)
>

It is not a parallel discussion, it is an attempt to solve the OP's 
problem in a different, more general, and IMO simpler, way.  In short, the 
two competing approaches to solve the OP's problem are:

1. For each command that should become repeatable, define a transient 
keymap that is activated when the command has completed, with keys to 
repeat that command or its "opposite".  Which keys should be used for that 
purpose is not clear: the last key and its shifted version (for example 
"o" and "O"), or "." and ",", or the last key its corresponding opposite 
command key (for example "n" and "p" after "M-g"), or...

2. Create a unified way to repeat the last command with its argument (à la 
"." command in Vi), by binding the existing "repeat" command to a single 
key binding, for example "C-=".  With this it also becomes possible to 
change the argument between two repetitions, possibly to something 
different than "opposite".  No command must be changed.