bug#53853: [PATCH] Don't use string-replace in flymake

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Date: Tue, 8 Feb 2022 13:18:44 +0000
> Cc: Robert Pluim <rpluim@gmail.com>, Brian Leung <leungbk@posteo.net>, 
>       Lars Ingebrigtsen <larsi@gnus.org>, 53853@debbugs.gnu.org
> 
> Alright.  Seems that the discussion died down and there was never the fix and 
> reversion we (presumably?) agreed on. So I think if the incompatible 
> string-something has 
> been now replaced by the replace-regexp-something that is compatible, we 
> should now 
> put the 26.1 in the header again.  If everyone agrees, I ask someone with a 
> Emacs 
> master/emacs-28 checkout nearby to do that change and also bump flymake.el's 
> version.

We didn't really agree on the revert: I asked to see the change as a
prerequisite for my agreement, and never saw any response.

I see that Lars already installed such a change on emacs-28, and it is
indeed quite simple.  So I'm okay with going with that.