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

[Reuben Thomas]

On Thu, 12 May 2022 at 18:07, Juri Linkov <juri@linkov.net> wrote:

It's easier to write own simple command than to learn a new key, e.g.

```
(defun irgrep ()
  (interactive)
  (let ((case-fold-search nil))
    (call-interactively 'rgrep)))
```

The idea was to add the capability to do case-insensitive matching to all commands that read regexs. The list of simple commands one would have to write could be quite long!

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