GNU bug report logs - #78593
31.0.50; describe-key broken on interactive lambdas

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Subject: 31.0.50; describe-key broken on interactive lambdas
From: Madhu <enometh@HIDDEN>
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On recent master, but this seems to have been broken for a while:

$ emacs -Q -eval '(define-key global-map (kbd "<f11>") (lambda () (interactive) (bury-buffer)))'

C-h v <f11>

throws an error:

function-get: Wrong type argument: symbolp, #[nil ((bury-buffer)) (t) nil nil nil]

Acktually the *Help* buffer is formatted with sufficient information,
but the error prevents it from being displayed.

-- Madhu