bug#31796: 27.1; dired-do-find-regexp-and-replace fails to find multiline regexps

[Juri Linkov]

> the command that was previously bound to Q used the UI that is very
> similar to find-tag: you are presented with the first hit, and then go
> to the next one, and the one after it, etc.  "Exiting the loop" can be
> as simple as moving point or switching to another buffer to consult
> some other part of Emacs.  It is very natural.  Once you've done that,
> you'd want to resume the loop.

Would adding `M-s a M-C-%' help users who want the old behavior back?
Or a keybinding for `fileloop-continue' is needed as well?

> This command is a variant of `tags-query-replace'.  If you exit the
> query replace loop, you can use `M-,' to resume the scan and
> replace more matches.  *Note Tags Search::.

Maybe `M-s M-,' is not bad for `fileloop-continue'?