I am getting the error `(void-function closure)` on Emacs 29.4 (but not
on 31.0.50 FWIW) when the default value of the function
`preview-auto-reveal` is executed. I am able to reproduce the error on
Emacs 29.4 with this
(require 'preview)
(apply preview-auto-reveal)
*IF* the preview.el file is not compiled. I can also reproduce the error
(assuming lexical-binding is t) by using its default value:
(apply `(eval . ((apply #'preview-arrived-via
(mapcar ,(lambda (cmd)
(if (and (listp cmd) (eq (car cmd) 'key-binding))
(eval cmd t)
cmd))
preview-auto-reveal-commands))
t)))
or simply with the stripped down version:
(apply `(eval . ((apply #'ignore (mapcar ,(lambda (cmd) nil) nil)) t)))
Removing `,` before the (lambda ...) fixes the error, but I am not sure
why it was there in the first place.
-- Al
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