bug#65517: 30.0.50; Eglot: word list input

[Gerd Möllmann]

THe prompt of C-M-. advertises that the user can enter a list of words
for search for, but that doesn't seem to be supported ATM.

For example, C-M-. Lisp_Package RET works fine, but entering a word
list, say "Li Pa", does not.

In GNU Emacs 30.0.50 (build 2, aarch64-apple-darwin22.6.0, NS
 appkit-2299.70 Version 13.5 (Build 22G74)) of 2023-08-24 built on
 Mini.fritz.box
Repository revision: 53c07bd04bf59f63e49af2c626714bf3fdd03ad6
Repository branch: scratch/pkg
Windowing system distributor 'Apple', version 10.3.2299
System Description:  macOS 13.5