bug#16913: Please extend case-fold-search on-the-fly toggling

[Reuben Thomas]

On Mon, 13 Jun 2022 at 14:34, Lars Ingebrigtsen <larsi@gnus.org> wrote:

I forgot the classic Emacs Lisp way of returning several values: Using
text properties.  >"?

So I've now added an `M-c' command to `read-regexp' and made `rgrep'
heed that in Emacs 29.

Great, thanks; I look forward to it!

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