GNU bug report logs - #73880
Master: emacs-lisp-mode: Tab completion for a function position fails in a `let' form.

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From: Alan Mackenzie <acm <at> muc.de>
To: 73880 <at> debbugs.gnu.org
Cc: acm <at> muc.de
Subject: bug#73880: Master: emacs-lisp-mode: Tab completion for a function position fails in a `let' form.
Date: Sat, 19 Oct 2024 13:09:00 +0000

Hello, Emacs.

In a recent master version, for example this commit:

commit 5340fdaade1f8fe7af08293619cca89ae0796fcf (HEAD -> master, origin/master, origin/HEAD)
Author: Alan Mackenzie <acm <at> muc.de>
Date:   Wed Oct 16 13:17:26 2024 +0000

    CC Mode: Fix dodgy lisp `let' form.

, start emacs -Q, followed by entering the following incomplete form:

(defun foo ()
  (let (
        )
    (match-b

With point after match-b, type M-TAB.  This should complete to
match-beginning or show that function as a completion option.  Instead
it signals the error "No match".  This is a bug.

It would seem the completion function elisp-completion-at-point thinks
it is completing a variable symbol rather than a function symbol.

-- 
Alan Mackenzie (Nuremberg, Germany).

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