bug#46290: 28.0.50; repeat's ability to repeat complex commands is broken

[Sean Whitton]

On Thu 04 Feb 2021 at 08:30AM GMT, Gregory Heytings wrote:

>>
>> But secondly, it doesn't seem like the "Repeating %S" branch works at 
>> all.  For if you type M-! date RET C-x z then you get prompted for a 
>> shell command, rather than date(1) just getting executed again right 
>> away.
>>
>> I added some debug printing to `repeat' and found that after M-! date 
>> RET, last-repeatable-command is set to shell-command, not 
>> exit-minibuffer.  So perhaps the way that last-repeatable-command gets 
>> set has changed since this code in repeat.el was written?
>>
>
> FWIW, the answer to that question seems to be positive.  In Emacs 21 M-! 
> date RET C-x z repeats "date" without prompting again, in later Emacsen 
> you get prompted again for a shell command.

Ah, thanks for testing.

One possible fix is attached.  It has the advantage of removing the list
which needs to be kept updated, so it works immediately for repeating
M-z and M-:

-- 
Sean Whitton

0001-lisp-repeat.el-repeat-Fix-repeating-complex-commands.patch
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