bug#57446: 29.0.50; info: info-lookup-symbol fails if tramp is loaded

[Lars Ingebrigtsen]

Naofumi Yasufuku <naofumi@yasufuku.dev> writes:

>   1. emacs -Q
>   2. Eval on the *scratch* buffer:
>     (require 'tramp)
>     (info-lookup-symbol "window-buffer")
>
> `info-lookup-symbol' fails with the following error:
>
> Debugger entered--Lisp error: (invalid-function (tramp-info-lookup-mode 
> emacs-lisp-mode))
>   (tramp-info-lookup-mode emacs-lisp-mode)()

I've now fixed this in Emacs 29.