bug#39407: 28.0.50; fido-mode vs rgrep: wildcard completion

[Dmitry Gutov]

Hi Raymond,

On 03.02.2020 13:58, Raymond wrote:
> Steps to reproduce:
>
> - M-x fido-mode
>
> - M-x rgrep
>
> - Search for: foobar
>
> - Search for "foobar" in files matching wildcard: try and enter "*.nomatch"
>
> Expected behavior:
>
> - I should be able to enter this wildcard pattern somehow
>
> Actual behavior:
>
> - It shows "No matches", trying to press "C-j" results in "Incomplete".
> C-M-i has no effect either.
>
> When using fido-mode, how do you get past this rgrep input stage?

I think this is the same as bug#38992 (and they should be merged, note 
for our Debbugs pros here).

Please see the comments in there, too.