bug#43308: 28.0.50; Improvements to Edit->Search menu

[Juri Linkov <juri@linkov.net>]

>> >> Why no keybindings are shown for nonincremental menu items?
>> >> They still have keybindings, e.g. nonincremental forward search
>> >> can be started with 'C-s RET', nonincremental backward search
>> >> with 'C-r RET', nonincremental regexp search 'C-M-s RET', etc.
>> >
>> > I suppose I could add some explicitly, with :keys.
>> > That makes sense.  Unfortunately, none show up
>> > automatically.  It would be good to somehow fix that.
>>
>> How about the following patch?
>
> But the keys this will show don't invoke the same commands, they
> invoke slightly different commands, don't they?  I don't think we ever
> show keys that invoke a different command, why do this here?

The comment in 'nonincremental-search-forward' says:

  ;; Ideally, this whole command would be equivalent to `C-s RET'.

This seems to imply that currently it's not equivalent.
Then indeed displaying wrong keys would be misleading.

>> Another problem is that selecting "Continue Tags Search"
>> signals the error:
>>
>> emacs -Q
>> Select "Edit" -> "Search" -> "Continue Tags Search"
>>
>>   Lisp error: (wrong-type-argument commandp fileloop-continue)
>
> I guess this is a leftover from migration to Xref.

Do you mean these obsolete menu items should be removed since
now there are Xref commands in the "Go To" submenu?