"Trent W. Buck" <trentbuck@gmail.com> writes:

> This is a regression from 27.1 to 28.1.
>
> Steps to reproduce:
>
>   1. M-x rcirc
>   2. /join #emacs RET
>   3. <wait for alice to say something>
>   3. hello world RET
>   4. TAB
>
> Current/undesirable behaviour:
>
>   "twb: " is inserted, since I was the last person to talk.
>
> Old/desired behaviour:
>
>   "alice: " is inserted, since she was the last person to talk
>   WHO IS NOT ME.
>
> This trips me a lot more than you'd expect, because when in a
> conversation with 1 other person, I often do "TAB yep RET".
> I think most other people do "al TAB yep RET" if they are talking to alice,
> i.e. a partial completion.
>
> I tried to find where this change landed, and
> I'm wildly guessing it is here:
>
>     https://github.com/emacs-mirror/emacs/commit/0b367ec39f41825f3eb2ce6acc4d2dd764ecc898
>     https://github.com/emacs-mirror/emacs/commit/95fdd4b99bccc11f373c3b9d6cacee8269728344
>
> Certainly (rcirc-channel-nicks (rcirc-buffer-process) rcirc-target)
> includes my nick, and it is the first element if I talked last.

I think that this diff should solve the situation: