Subject: Re: bug#44611: Prefix arg for xref-goto-xref

From: Dmitry Gutov <[email-masked]>
Date: Tue, 19 Jan 2021 21:38:43 +0200

On 19.01.2021 19:56, Juri Linkov wrote:
>>> To make it more future-proof for possible other uses of the prefix arg,
>>> maybe better would be to use 'C-0 RET' with better mnemonics of 0 to
>>> mean deleting the window (like 'C-x 0' deletes the window).
>> Sorry, missed this message previously.
>>
>> I don't have a strong opinion on this, but seems like it would conflate the
>> "quit" action (what we want the command to do in this case) with the
>> "delete" action (which what the binding might imply).
> Yep, like the prefix argument KILL in quit-window.

Right, so it appears we don't have any suitable precedent, and either 
way could imply something we don't want it to.

I think C-u RET is probably fine, especially if we add a change like you 
described to compile-goto-error as well. But if anyone wanted to propose 
some other alternative, they're welcome to.