bug#20687: 25.0.50; `perform-replace' should invoke a key that you have bound in `query-replace-map'

[Juri Linkov]

> You can bind any key you like in `query-replace-map'.  But
> `perform-replace', in effect, hard-codes the keys that it recognizes.
>
> This is not necessary.  You shbould be able to bind a new key in that
> map to some command, and have `perform-replace' invoke that command.
>
> All that's required for this is to add another `cond' clause, just
> before the final `t' (otherwise) clause, to do this:
>
> (cond
>   ...
>   (def (call-interactively def)) ; User-defined key - invoke it.
>   (t
>    ;; Note: we do not need to treat `exit-prefix'
>    ;; specially here, since we reread
>    ;; any unrecognized character.
>    ...))
>
> It seems silly for the code to be written like it is.  We already look
> up the key you press in the q-r keymap.  If we find a DEF that is not
> one of those predefined by Emacs then we ignore it?  That makes no sense
> (to me).

Could you please send an example of your custom keybindings in
`query-replace-map' that currently don't work.